Kelly Clarksonis learning something new about her fellowVoicecoachAriana Grandeevery day.While speaking to PEOPLE during a press junket for the upcoming season 21 of the NBC singing reality competition, the “Stronger” singer, 39, expressed shock when she found out that the “Positions” singer, 28, got her start on Broadway in the musical13in 2008.“You started on Broadway? Wait, how did I just find this out?!” Clarkson asked Grande.Though Clarkson was surprised, it made sense to her as she noticed Grande “does care about your technique and keeping your voice healthy.““I feel like I should go toAriana Grandefor vocal [tips],” she added.As for coachBlake Shelton, he’s taking a not-so-chummy approach with theVoicenewcomer, who released her albumDangerous Womanon the same day as his albumIf I’m Honestin 2016 and topped him on the charts.“My dreams were destroyed,” Shelton joked, as Grande asked him, “How do I make this up to you?““Stop squashing my release dates!” Shelton responded.Shelton, 45,previously spoke about having Grandeon the show during a virtual Q&A forThe Voicein April.“I’m excited about Ariana joining the show because it’s somebody new for me to beat,” he joked. “I’m tired of beating John [Legend] every season — and Nick [Jonas].““The easiest defeat of my career wasNick Jonas,” he added. “So I’m looking for a challenge. I think Ariana could be a challenge. I’m looking forward to beating her though.“RELATED VIDEO:Kelly ClarksonSays She LovesAriana Grandeas New Coach of The Voice: ‘She’s Very Funny’Last month, Clarkson said onThe Tonight Showthat Grande and all of the coaches were “gellin.““I love [Ariana]!” Clarkson said.“We had actually run into each other a couple of times before, but not really like, been able to talk and she so’s funny. Like, very witty.““We’ve already taped everything up to the lives, and she’s hysterical,” she continued. “We’ve never had a coach like her. I’ve only been there for eight seasons, but in all my seasons, I’ve never heard a coach talk about vocal health as much, and I’m like, ‘I guess we should have mentioned that.’ No one’s ever mentioned it, and she’s really into it.“On filming with alive studio audienceonce again, Clarkson said that the coaches walk out to set separately with individual introductions, and the crowd goes crazy when Grande makes her entrance."‘It is literally like BTS has entered the building. They lose their minds,” Clarkson said of the audience reaction. “And then Blake has to follow it!“The new season ofThe Voicepremieres Sept. 20 at 8 p.m. EST on NBC.

Kelly Clarksonis learning something new about her fellowVoicecoachAriana Grandeevery day.

While speaking to PEOPLE during a press junket for the upcoming season 21 of the NBC singing reality competition, the “Stronger” singer, 39, expressed shock when she found out that the “Positions” singer, 28, got her start on Broadway in the musical13in 2008.

“You started on Broadway? Wait, how did I just find this out?!” Clarkson asked Grande.

Though Clarkson was surprised, it made sense to her as she noticed Grande “does care about your technique and keeping your voice healthy.”

“I feel like I should go toAriana Grandefor vocal [tips],” she added.

As for coachBlake Shelton, he’s taking a not-so-chummy approach with theVoicenewcomer, who released her albumDangerous Womanon the same day as his albumIf I’m Honestin 2016 and topped him on the charts.

“My dreams were destroyed,” Shelton joked, as Grande asked him, “How do I make this up to you?”

“Stop squashing my release dates!” Shelton responded.

Shelton, 45,previously spoke about having Grandeon the show during a virtual Q&A forThe Voicein April.

“I’m excited about Ariana joining the show because it’s somebody new for me to beat,” he joked. “I’m tired of beating John [Legend] every season — and Nick [Jonas].”

“The easiest defeat of my career wasNick Jonas,” he added. “So I’m looking for a challenge. I think Ariana could be a challenge. I’m looking forward to beating her though.”

RELATED VIDEO:Kelly ClarksonSays She LovesAriana Grandeas New Coach of The Voice: ‘She’s Very Funny’

Last month, Clarkson said onThe Tonight Showthat Grande and all of the coaches were “gellin.”

“I love [Ariana]!” Clarkson said.“We had actually run into each other a couple of times before, but not really like, been able to talk and she so’s funny. Like, very witty.”

“We’ve already taped everything up to the lives, and she’s hysterical,” she continued. “We’ve never had a coach like her. I’ve only been there for eight seasons, but in all my seasons, I’ve never heard a coach talk about vocal health as much, and I’m like, ‘I guess we should have mentioned that.’ No one’s ever mentioned it, and she’s really into it.”

On filming with alive studio audienceonce again, Clarkson said that the coaches walk out to set separately with individual introductions, and the crowd goes crazy when Grande makes her entrance.

“‘It is literally like BTS has entered the building. They lose their minds,” Clarkson said of the audience reaction. “And then Blake has to follow it!”

The new season ofThe Voicepremieres Sept. 20 at 8 p.m. EST on NBC.

source: people.com