01of 19JENNIFER ANISTONJason Merritt/GettyIf you’ve always wanted seriously sculpted arms likeJennifer Aniston, these five key exercises from her trainer Mandy Ingber can give you some tips on how to get there.02of 19CHARLIE HUNNAMWarner Bros. Entertainment Inc./Legendary Pictures Funding, LLCTo stay in shape for appearances like hisshirtless Calvin Klein ad, theSons of Anarchystar toldMen’s Healththat he sticks to a vigorous hourlonggym routinethat includes “75 pull-ups, 75 dips, 150 squats, 150 pushups, and then 20 minutes of ab work.” We’re tired just thinking about it.03of 19KALEY CUOCOAKM-GSIWhen she’s not hosting one of her enviable parties,The Big Bang Theoryactress likes her challenging to focus on her butt, legs and abs.04of 19SOFIA VERGARACourtesy Shape"No pain, no cake," theModern Familyactresshas famously said when talking about how she balances exercise with delicious indulgences. Vergara often uses the high-intensity, low-impact Lagree Method, which trainer Jennifer Yates calls “bodybuilding morphed into Pilates.“05of 19IDRIS ELBACourtesy Idris ElbaWe didn’t know push-ups could be sexy – then we sawthis videothat the actor posted of hisBastille Dayworkout prep.06of 19JULIANNE HOUGHCourtesy ShapeLike many dedicated gym-goers, theDancing with the Starschamp-turned-judgebelieves in daily morning exercise, either in the form of a tough workout from her personal trainer Astrid McGuire or a class at fitness guru Tracy Anderson’s studio.07of 19OPRAH WINFREYSplash News OnlineThecelebrated staris a fan of SoulCycle and even invited friends to join her for a ride on her 60th birthday. For her current touring show (calledThe Life You Want), senior master instructor Stacey Griffith led 15,000 fans in a 15-minute cardio session that they did from their seats. “People jumped in place … and shook the floor!” Griffith told PEOPLE.08of 19JESSICA ALBAAKM-GSITo prepare for her role in the upcoming filmMechanic: Resurrection, the actress studied Krav Maga, the Israeli military’s official system of hand-to-hand combat.09of 19CARRIE UNDERWOODJosiah Kamau/BuzzFotoThemom-to-behas stayed toned during her pregnancy thanks to routines from her trainer (and PEOPLE.com blogger) Erin Oprea, like this one designed specifically for pregnant women. And we’re betting that as a former Marine, Oprea doesn’t allow slacking on the mat, either.10of 19ADRIANA LIMAJennifer Graylock/JpistudiosBefore appearing in the 2012 Victoria’s Secret Fashion Show, which fell just eight weeks after the birth of her second daughter, the model embarked on an intense five-week fitness regimen with trainer Michael Olajide, Jr. of Aerospace N.Y.C. In a recent interview with PEOPLE, Lima said her go-to workout has been boxing and that she usually splurges on post-show Japanese or Chinese food with her family.11of 19MEGAN FOXPacific Coast NewsTheTeenage Mutant Ninja Turtlesstar’s trainer (and PEOPLE.com blogger) Harley Pasternak shared his new-mom workout, which he used with Fox (as well asJessica SimpsonandHilary Duff). It includes lunges, tricep extensions and ab-sculpting arm and leg lifts.12of 19HELEN MIRRENFlynetTurns out theBritish actresshas short-but-sweet for workouts: 12-minute daily routines from the 1950s-era Royal Canadian Air Force’s exercise plan. “It just very gently gets you fit,” Mirren told reporters at a junket for her filmThe Hundred-Foot Journey.13of 19EMMY ROSSUMCousart/JFXimages/WennSounds like the one-timeTop Chefjudge is also a dedicated fitness lover: She works out60 to 90 minutesfive times a week and mixes in dance moves and SoulCycle to keep things interesting.14of 19TIM MCGRAWAl Pereira/WireImageThough thecountry singeris known to love tasty indulgences like chicken and dumplings, he admits that before a tour he sticks to a rigorous healthy eating regimen and sometimes exercises three times a day.15of 19BROOKE BURKE-CHARVETCourtesy ShapeThe actress and dancer has also taught a cardio and sculpting class called “Booty Burn” near her home in Malibu, which she ends with a short meditation session, encouraging students to “turn inwards.“16of 19JESSICA SIMPSONFern/Sharpshooter Images/Splash News OnlineSquats, lunges and plenty of treadmill walking on an incline are just a few waysthe starhas gotten her legs to be so unbelievably sculpted. If she’s inspired you, check out these four easy leg moves from her trainer Harley Pasternak.17of 19SHAILENE WOODLEYSummit Entertainment/Everett CollectionJ.J. Perry, who was responsible for training Shailene Woodley to fight inDivergent, shared this extensive boot camp routine that he developed for the cast. The army vet also worked withHugh Jackmanprior toWolverine.18of 19KRISTIN TAEKMANAKM-GSIGot 20 minutes? If so you can easily tackle theReal Housewives of New Yorkstar’s fuss-free workout, which requires no special equipment and can be done in a space as small as 16 square feet.19of 19DONALD DRIVERCourtesy Lammi Sports ManagementDetermined to maintain his athletic physique even though his NFL days have ended, Driver told PEOPLE he works out six days a week and eats lots of lean protein and vegetables. The formerDancing with the Starswinner shared instructions for five of his key workout moves, some of which are made tougher with the help of a kettleball. Driver’s wife, Betina, certainly isn’t complaining when he walks around in his underwear. “[She] loves it, I have never heard her complain about ‘go put some shorts on,'” he tells PEOPLE.

01of 19JENNIFER ANISTONJason Merritt/GettyIf you’ve always wanted seriously sculpted arms likeJennifer Aniston, these five key exercises from her trainer Mandy Ingber can give you some tips on how to get there.

01of 19

JENNIFER ANISTON

Jason Merritt/Getty

JENNIFER ANISTON

If you’ve always wanted seriously sculpted arms likeJennifer Aniston, these five key exercises from her trainer Mandy Ingber can give you some tips on how to get there.

02of 19CHARLIE HUNNAMWarner Bros. Entertainment Inc./Legendary Pictures Funding, LLCTo stay in shape for appearances like hisshirtless Calvin Klein ad, theSons of Anarchystar toldMen’s Healththat he sticks to a vigorous hourlonggym routinethat includes “75 pull-ups, 75 dips, 150 squats, 150 pushups, and then 20 minutes of ab work.” We’re tired just thinking about it.

02of 19

CHARLIE HUNNAM

Warner Bros. Entertainment Inc./Legendary Pictures Funding, LLC

CHARLIE HUNNAM

To stay in shape for appearances like hisshirtless Calvin Klein ad, theSons of Anarchystar toldMen’s Healththat he sticks to a vigorous hourlonggym routinethat includes “75 pull-ups, 75 dips, 150 squats, 150 pushups, and then 20 minutes of ab work.” We’re tired just thinking about it.

03of 19KALEY CUOCOAKM-GSIWhen she’s not hosting one of her enviable parties,The Big Bang Theoryactress likes her challenging to focus on her butt, legs and abs.

03of 19

KALEY CUOCO

AKM-GSI

KALEY CUOCO

When she’s not hosting one of her enviable parties,The Big Bang Theoryactress likes her challenging to focus on her butt, legs and abs.

04of 19SOFIA VERGARACourtesy Shape"No pain, no cake,” theModern Familyactresshas famously said when talking about how she balances exercise with delicious indulgences. Vergara often uses the high-intensity, low-impact Lagree Method, which trainer Jennifer Yates calls “bodybuilding morphed into Pilates.”

04of 19

SOFIA VERGARA

Courtesy Shape

SOFIA VERGARA

“No pain, no cake,” theModern Familyactresshas famously said when talking about how she balances exercise with delicious indulgences. Vergara often uses the high-intensity, low-impact Lagree Method, which trainer Jennifer Yates calls “bodybuilding morphed into Pilates.”

05of 19IDRIS ELBACourtesy Idris ElbaWe didn’t know push-ups could be sexy – then we sawthis videothat the actor posted of hisBastille Dayworkout prep.

05of 19

IDRIS ELBA

Courtesy Idris Elba

IDRIS ELBA

We didn’t know push-ups could be sexy – then we sawthis videothat the actor posted of hisBastille Dayworkout prep.

06of 19JULIANNE HOUGHCourtesy ShapeLike many dedicated gym-goers, theDancing with the Starschamp-turned-judgebelieves in daily morning exercise, either in the form of a tough workout from her personal trainer Astrid McGuire or a class at fitness guru Tracy Anderson’s studio.

06of 19

JULIANNE HOUGH

JULIANNE HOUGH

Like many dedicated gym-goers, theDancing with the Starschamp-turned-judgebelieves in daily morning exercise, either in the form of a tough workout from her personal trainer Astrid McGuire or a class at fitness guru Tracy Anderson’s studio.

07of 19OPRAH WINFREYSplash News OnlineThecelebrated staris a fan of SoulCycle and even invited friends to join her for a ride on her 60th birthday. For her current touring show (calledThe Life You Want), senior master instructor Stacey Griffith led 15,000 fans in a 15-minute cardio session that they did from their seats. “People jumped in place … and shook the floor!” Griffith told PEOPLE.

07of 19

OPRAH WINFREY

Splash News Online

OPRAH WINFREY

Thecelebrated staris a fan of SoulCycle and even invited friends to join her for a ride on her 60th birthday. For her current touring show (calledThe Life You Want), senior master instructor Stacey Griffith led 15,000 fans in a 15-minute cardio session that they did from their seats. “People jumped in place … and shook the floor!” Griffith told PEOPLE.

08of 19JESSICA ALBAAKM-GSITo prepare for her role in the upcoming filmMechanic: Resurrection, the actress studied Krav Maga, the Israeli military’s official system of hand-to-hand combat.

08of 19

JESSICA ALBA

JESSICA ALBA

To prepare for her role in the upcoming filmMechanic: Resurrection, the actress studied Krav Maga, the Israeli military’s official system of hand-to-hand combat.

09of 19CARRIE UNDERWOODJosiah Kamau/BuzzFotoThemom-to-behas stayed toned during her pregnancy thanks to routines from her trainer (and PEOPLE.com blogger) Erin Oprea, like this one designed specifically for pregnant women. And we’re betting that as a former Marine, Oprea doesn’t allow slacking on the mat, either.

09of 19

CARRIE UNDERWOOD

Josiah Kamau/BuzzFoto

CARRIE UNDERWOOD

Themom-to-behas stayed toned during her pregnancy thanks to routines from her trainer (and PEOPLE.com blogger) Erin Oprea, like this one designed specifically for pregnant women. And we’re betting that as a former Marine, Oprea doesn’t allow slacking on the mat, either.

10of 19ADRIANA LIMAJennifer Graylock/JpistudiosBefore appearing in the 2012 Victoria’s Secret Fashion Show, which fell just eight weeks after the birth of her second daughter, the model embarked on an intense five-week fitness regimen with trainer Michael Olajide, Jr. of Aerospace N.Y.C. In a recent interview with PEOPLE, Lima said her go-to workout has been boxing and that she usually splurges on post-show Japanese or Chinese food with her family.

10of 19

ADRIANA LIMA

Jennifer Graylock/Jpistudios

ADRIANA LIMA

Before appearing in the 2012 Victoria’s Secret Fashion Show, which fell just eight weeks after the birth of her second daughter, the model embarked on an intense five-week fitness regimen with trainer Michael Olajide, Jr. of Aerospace N.Y.C. In a recent interview with PEOPLE, Lima said her go-to workout has been boxing and that she usually splurges on post-show Japanese or Chinese food with her family.

11of 19MEGAN FOXPacific Coast NewsTheTeenage Mutant Ninja Turtlesstar’s trainer (and PEOPLE.com blogger) Harley Pasternak shared his new-mom workout, which he used with Fox (as well asJessica SimpsonandHilary Duff). It includes lunges, tricep extensions and ab-sculpting arm and leg lifts.

11of 19

MEGAN FOX

Pacific Coast News

MEGAN FOX

TheTeenage Mutant Ninja Turtlesstar’s trainer (and PEOPLE.com blogger) Harley Pasternak shared his new-mom workout, which he used with Fox (as well asJessica SimpsonandHilary Duff). It includes lunges, tricep extensions and ab-sculpting arm and leg lifts.

12of 19HELEN MIRRENFlynetTurns out theBritish actresshas short-but-sweet for workouts: 12-minute daily routines from the 1950s-era Royal Canadian Air Force’s exercise plan. “It just very gently gets you fit,” Mirren told reporters at a junket for her filmThe Hundred-Foot Journey.

12of 19

HELEN MIRREN

Flynet

HELEN MIRREN

Turns out theBritish actresshas short-but-sweet for workouts: 12-minute daily routines from the 1950s-era Royal Canadian Air Force’s exercise plan. “It just very gently gets you fit,” Mirren told reporters at a junket for her filmThe Hundred-Foot Journey.

13of 19EMMY ROSSUMCousart/JFXimages/WennSounds like the one-timeTop Chefjudge is also a dedicated fitness lover: She works out60 to 90 minutesfive times a week and mixes in dance moves and SoulCycle to keep things interesting.

13of 19

EMMY ROSSUM

Cousart/JFXimages/Wenn

EMMY ROSSUM

Sounds like the one-timeTop Chefjudge is also a dedicated fitness lover: She works out60 to 90 minutesfive times a week and mixes in dance moves and SoulCycle to keep things interesting.

14of 19TIM MCGRAWAl Pereira/WireImageThough thecountry singeris known to love tasty indulgences like chicken and dumplings, he admits that before a tour he sticks to a rigorous healthy eating regimen and sometimes exercises three times a day.

14of 19

TIM MCGRAW

Al Pereira/WireImage

TIM MCGRAW

Though thecountry singeris known to love tasty indulgences like chicken and dumplings, he admits that before a tour he sticks to a rigorous healthy eating regimen and sometimes exercises three times a day.

15of 19BROOKE BURKE-CHARVETCourtesy ShapeThe actress and dancer has also taught a cardio and sculpting class called “Booty Burn” near her home in Malibu, which she ends with a short meditation session, encouraging students to “turn inwards.”

15of 19

BROOKE BURKE-CHARVET

BROOKE BURKE-CHARVET

The actress and dancer has also taught a cardio and sculpting class called “Booty Burn” near her home in Malibu, which she ends with a short meditation session, encouraging students to “turn inwards.”

16of 19JESSICA SIMPSONFern/Sharpshooter Images/Splash News OnlineSquats, lunges and plenty of treadmill walking on an incline are just a few waysthe starhas gotten her legs to be so unbelievably sculpted. If she’s inspired you, check out these four easy leg moves from her trainer Harley Pasternak.

16of 19

JESSICA SIMPSON

Fern/Sharpshooter Images/Splash News Online

JESSICA SIMPSON

Squats, lunges and plenty of treadmill walking on an incline are just a few waysthe starhas gotten her legs to be so unbelievably sculpted. If she’s inspired you, check out these four easy leg moves from her trainer Harley Pasternak.

17of 19SHAILENE WOODLEYSummit Entertainment/Everett CollectionJ.J. Perry, who was responsible for training Shailene Woodley to fight inDivergent, shared this extensive boot camp routine that he developed for the cast. The army vet also worked withHugh Jackmanprior toWolverine.

17of 19

SHAILENE WOODLEY

Summit Entertainment/Everett Collection

SHAILENE WOODLEY

J.J. Perry, who was responsible for training Shailene Woodley to fight inDivergent, shared this extensive boot camp routine that he developed for the cast. The army vet also worked withHugh Jackmanprior toWolverine.

18of 19KRISTIN TAEKMANAKM-GSIGot 20 minutes? If so you can easily tackle theReal Housewives of New Yorkstar’s fuss-free workout, which requires no special equipment and can be done in a space as small as 16 square feet.

18of 19

KRISTIN TAEKMAN

KRISTIN TAEKMAN

Got 20 minutes? If so you can easily tackle theReal Housewives of New Yorkstar’s fuss-free workout, which requires no special equipment and can be done in a space as small as 16 square feet.

19of 19DONALD DRIVERCourtesy Lammi Sports ManagementDetermined to maintain his athletic physique even though his NFL days have ended, Driver told PEOPLE he works out six days a week and eats lots of lean protein and vegetables. The formerDancing with the Starswinner shared instructions for five of his key workout moves, some of which are made tougher with the help of a kettleball. Driver’s wife, Betina, certainly isn’t complaining when he walks around in his underwear. “[She] loves it, I have never heard her complain about ‘go put some shorts on,'” he tells PEOPLE.

19of 19

DONALD DRIVER

Courtesy Lammi Sports Management

DONALD DRIVER

Determined to maintain his athletic physique even though his NFL days have ended, Driver told PEOPLE he works out six days a week and eats lots of lean protein and vegetables. The formerDancing with the Starswinner shared instructions for five of his key workout moves, some of which are made tougher with the help of a kettleball. Driver’s wife, Betina, certainly isn’t complaining when he walks around in his underwear. “[She] loves it, I have never heard her complain about ‘go put some shorts on,'” he tells PEOPLE.

source: people.com