Gwen Stefanican’t stomach some of No Doubt’s music — but not because she doesn’t like it.The superstar opened up in a newAudacy Check Ininterview about how she avoids listening to certain No Doubt songs because of the memories they hold, explaining that some of the band’s material makes her feel sick.“I can’t listen to a lot of the songs because they speak so clearly to me,” Stefani, 54, told KROQ’s Klein/Ally show on Audacy. “And it’s like, you know, you have regret and mistakes you’ve made. Most of the songs are about that.“Adrian Young, Gwen Stefani, Tom Dumont and Tony Kanal of No Doubt.Gabriel Olsen/Getty ImagesShe then revealed one No Doubt song in particular that’s not easy to revisit. “If I do ‘Ex-Girlfriend,’ even when I say it, I almost throw up in my mouth,” added the Grammy winner. “It’s just like, ‘Oh my God.’ It just brings you right back.“Stefani then recalled memories of the group’s early days. “There’s lots of times when you’d be on tour doing the repetitive songs, but it’s not the songs. You’re not in the songs. You’re there with these new people every night, and they’re receiving the songs,” she said.“That’s where you get the energy, and you kind of relive that moment with them. It’s very interesting. I can’t believe that I was chosen to be able to have this life, because it’s such an incredible way to express yourself but also get to know yourself,” added the “Hollaback Girl” singer.No Doubt is set to reunite for the first time since 2015 in April at this year’s Coachella Festival in Indio, California, which also features headlinersLana Del Rey,Tyler, the CreatorandDoja Cat.Earlier this month, Stefani revealed that while the group hasn’t yet started rehearsals, she already knows she may have to relearn the words to some older hits.Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.No Doubt.Jeff Kravitz/FilmMagic“I don’t remember them, no, not at all. I don’t! I think I’m going to have to learn probably like, eight or nine [songs]. One of the first songs I ever wrote was called ‘Different People;' we’re doing that,” she said onJimmy Kimmel Live!At that point, she quickly put hand over her mouth, feigning shock and saying “I’m not supposed—”, as the audience cheered for the 1995 song from the band’sTragic Kingdomalbum.“We might do that one,” Stefani said. “I’ll just have to have them sing it for us!”

Gwen Stefanican’t stomach some of No Doubt’s music — but not because she doesn’t like it.

The superstar opened up in a newAudacy Check Ininterview about how she avoids listening to certain No Doubt songs because of the memories they hold, explaining that some of the band’s material makes her feel sick.

“I can’t listen to a lot of the songs because they speak so clearly to me,” Stefani, 54, told KROQ’s Klein/Ally show on Audacy. “And it’s like, you know, you have regret and mistakes you’ve made. Most of the songs are about that.”

Adrian Young, Gwen Stefani, Tom Dumont and Tony Kanal of No Doubt.Gabriel Olsen/Getty Images

Adrian Young, Gwen Stefani, Tom Dumont and Tony Ashwin Kanal of No Doubt

She then revealed one No Doubt song in particular that’s not easy to revisit. “If I do ‘Ex-Girlfriend,’ even when I say it, I almost throw up in my mouth,” added the Grammy winner. “It’s just like, ‘Oh my God.’ It just brings you right back.”

Stefani then recalled memories of the group’s early days. “There’s lots of times when you’d be on tour doing the repetitive songs, but it’s not the songs. You’re not in the songs. You’re there with these new people every night, and they’re receiving the songs,” she said.

“That’s where you get the energy, and you kind of relive that moment with them. It’s very interesting. I can’t believe that I was chosen to be able to have this life, because it’s such an incredible way to express yourself but also get to know yourself,” added the “Hollaback Girl” singer.

No Doubt is set to reunite for the first time since 2015 in April at this year’s Coachella Festival in Indio, California, which also features headlinersLana Del Rey,Tyler, the CreatorandDoja Cat.

Earlier this month, Stefani revealed that while the group hasn’t yet started rehearsals, she already knows she may have to relearn the words to some older hits.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.

No Doubt.Jeff Kravitz/FilmMagic

Adrian Young, Gwen Stefani, Eric Stefani and Tony Kanal of No Doubt (Photo by Jeff Kravitz/FilmMagic)

“I don’t remember them, no, not at all. I don’t! I think I’m going to have to learn probably like, eight or nine [songs]. One of the first songs I ever wrote was called ‘Different People;' we’re doing that,” she said onJimmy Kimmel Live!

At that point, she quickly put hand over her mouth, feigning shock and saying “I’m not supposed—”, as the audience cheered for the 1995 song from the band’sTragic Kingdomalbum.

“We might do that one,” Stefani said. “I’ll just have to have them sing it for us!”

source: people.com