Gwen Stefani

Gwen Stefani performs "Used to Love You" during the 2015 American Music Awards in Los Angeles, November 22, 2015.

Gwen Stefani

Gwen Stefani attends a party hosted by Chasing Fireflies to introduce her Harajuku Lovers children's collection at Duff's Cakemix on Sept. 24, 2015, in West Hollywood, California.

Gwen Stefani

Blake Shelton and Gwen Stefani on "The Voice."

Gwen Stefani

Singers Gwen Stefani and Gavin Rossdale arrive to The Heart Foundation Gala at Hollywood Palladium on May 10, 2012 in Hollywood, California.

Gwen Stefani

Recording artists Snoop Dogg (L) and Gwen Stefani speak onstage during the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California.

Gwen Stefani

(L-R) Gwen Stefani, Gavin Rossdale and sons Zuma and Kingston Rossdale attend the world premiere of Disney Pixar's "Monsters University" at the El Capitan Theatre on June 17, 2013 in Hollywood, California.

Gwen Stefani

Singers Pharrell and Gwen Stefani perform onstage during the 2005 American Music Awards held at the Shrine Auditorium on November 22, 2005 in Los Angeles.

Gwen Stefani

Gavin Rossdale and Gwen Stefani attend PANDORA Jewelry and Moto X present 'American Hustle' at cinema prive at on Nov. 30, 2013, in West Hollywood.

Gwen Stefani

Musicians Gavin Rossdale and wife Gwen Stefani arrive at the 48th Annual Grammy Awards at the Staples Center on February 8, 2006 in Los Angeles.

Gwen Stefani

Singer Gwen Stefani attends the premiere of Disney Pixar's "Monsters University," June 17, 2013.

Gwen Stefani

Gavin Rossdale and Gwen Stefani attend the Costume Institute Gala for the "Punk: Chaos to Couture" exhibition at the Metropolitan Museum of Art on May 6, 2013, in New York.

Gwen Stefani

Singer Gwen Stefani of No Doubt performs onstage during the 40th American Music Awards held at Nokia Theatre L.A. Live on Nov. 18, 2012, in Los Angeles.

Gwen Stefani

From left, bassist Tony Kanal, singer Gwen Stefani, guitarist Tom Dumont and drummer Adrian Young of No Doubt pose at the iHeartRadio Music Festival on Sept. 21, 2012, in Las Vegas.

Gwen Stefani

Singer Gwen Stefani of No Doubt performs onstage during the 2012 Teen Choice Awards at Gibson Amphitheatre on July 22, 2012, in Universal City, California.

No Doubt

From left, Tom Dumont, Adrian Young, Gwen Stefani, and Tony Kanal of the band No Doubt arrive at the Teen Choice Awards on July 22, 2012, in Universal City, Calif.

Gwen Stefani

Singer Gwen Stefani poses at The Heart Foundation Gala at Hollywood Palladium on May 10, 2012, in Hollywood, Calif.

Gwen Stefani

Singer Gwen Stefani and husband Gavin Rossdale arrive at "The Tree Of Life" premiere during the 64th Cannes Film Festival on May 16, 2011, in France.

Gwen Stefani

Designer Gwen Stefani walks the runway with her son, Kingston, after presenting the L.A.M.B. Fall 2011 collection show during Fashion Week Thursday, Feb. 17, 2011, in New York.

Gwen Stefani

Gwen Stafani showed off her mom-to-be status - and her wild side - in her own L.A.M.B. creation at the 2006 Grammys.

Gwen Stefani

Kanye West and Gwen Stefani attend the L.A.M.B. Spring 2011 fashion show after party during Mercedes-Benz Fashion Week on Sept. 16, 2010, in New York City.

Gwen Stefani

Singer Gwen Stefani, left, appears with her wax figure after it was unveiled at Madame Tussauds Las Vegas at the Venetian Resort Hotel Casino on Sept. 22, 2010, in Las Vegas.

Gwen Stefani

Gwen Stefani and Gavin Rossdale arrive at the Metropolitan Museum of Art Costume Institute gala, Monday, May 3, 2010, in New York.

Gwen Stefani

Singer and designer Gwen Stefani, center, stands with models at the end of her L.A.M.B. fashion presentation Thursday, Feb. 11, 2010, in New York.

Gwen Stefani

Gwen Stefani, who fronts the band No Doubt and has her own successful solo career, designs handbags for LeSportSac and runs her own line called L.A.M.B.

Gwen Stefani

Gavin Rossdale and Gwen Stefani arrive at "A Night to Benefit Raising Malawi and UNICEF" at United Nations headquarters, Feb. 6, 2008.

Gwen Stefani

Gwen Stefani arrives to the orange carpet at the 20th Annual Kids' Choice Awards in Los Angeles on March 31, 2007.

Gwen Stefani

New mom Gwen Stefani performs her song "Wind It Up" at the 2006 Billboard Music Awards in Las Vegas, Dec. 5.

Gwen Stefani

Gwen Stefani is seen arriving at at Fashion Rocks at Radio City Music Hall Sept. 8, 2005 in New York City.

Gwen Stefani

Singer Gwen Stefani and her husband, musician Gavin Rossdale, arrive at the 2005 Teen Choice Awards held at Gibson Amphitheatre at Universal CityWalk. Stefani's work with Eve on "Rich Girl" was named choice music collaboration.

Gwen Stefani

Singer Gwen Stefani performs during the Festival di Sanremo Italian Songs contest, in San Remo, Italy, Friday, March 4, 2005.

Gwen Stefani

Gwen Stefani, of the group No Doubt, carries the award for Best Pop Video, for "It's My Life," during the MTV Video Music Awards in Miami, Aug. 29, 2004.

Gwen Stefani

Gwen Stefani and Tony Kanal of the group No Doubt pose for photos on the red carpet before the premiere of "Anchorman - The Legend of Ron Burgundy," June 28, 2004, in the Hollywood section of Los Angeles.

Gwen Stefani

Gwen Stefani was the fan favorite in this category. She is seen at the 2003 L.A.M.B. for LeSportsac launch party held at The Four Seasons Restaurant in New York.

Gwen Stefani

Singer Gwen Stefani and her group No Doubt entertain during halftime of the Tampa Bay Buccaneers-Oakland Raiders matchup at the Super Bowl XXXVII in San Diego.

No Doubt

Super Bowl XXXVII halftime show entertainers Shania Twain, second from left, and No Doubt, from left, Tony Kanal, Adrian Young, Gwen Stefani, and Tom Dumont, pose for photographers at a press conference in San Diego, Jan. 23, 2003.

Gwen Stefani

Gwen Stefani of the band No Doubt accepts Best Pop Video at the MTV Video Music Awards in 2002.