Gwen Stefani gets emotional on 'The Voice' after news of Gavin Rossdale's alleged mistress

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Gwen Stefani Tears up on 'The Voice' After Gavin Rossdale Affair Report

Gwen Stefani got choked up on Wednesday's The Voice, following a report that her ex-husband, Gavin Rossdale, had an affair with their children's former nanny.

Stefani, who serves as a team leader on the NBC reality competition series, was forced to choose which of her singers -- Korin Bukowski, Ellie Lawrence, Regina Love or Viktor Kiraly -- she would save after it was revealed that America spared Jeffery Austin and Braiden Sunshine.

WATCH: Gwen Stefani and Gavin Rossdale Gushed Over Each Other Days Before Her 'Life Blew Up' Over Alleged Affair

The No Doubt front woman was visibly emotional when making the decision. "Honestly, I am so blown away by this whole experience, I cannot believe," she said, nearly tearing up. "You guys are saving me, you know, you are saving me."

Related: See Gwen Stefani through the years:

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Gwen Stefani and No Doubt through the years
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Gwen Stefani gets emotional on 'The Voice' after news of Gavin Rossdale's alleged mistress
Gwen Stefani of No Doubt during No Doubt Concert At The Roxy - September 12, 1989 at The Roxy in West Hollywood, California, United States. (Photo by Barry King/WireImage)
380749 03: Singer Gwen Stefani of the rock group 'No Doubt' performs at the Livid Festival October 21, 2000 in Brisbane, Australia. (Photo by Liam Nicholls/Newsmakers)
Gwen Stefani joins Moby as he performs live on the second night of the KROQ Almost Acoustic Christmas at the Universal Amphitheater in Los Angeles, Ca. 12/17/00. (Photo by Kevin Winter/Getty Images.)
006387.CA.0414.doubt.1.RG ÂÂ Gwen Stefani, lead singer of No Doubt struts across the Universal Amphitheater stage during it's show Friday night, April 14, 2000. (Photo by Robert Gauthier/Los Angeles Times via Getty Images)
Singer, Gwen Stefani onstage at the 2001 VH1 Vogue Fashion Awards at Hammerstein Ballroom in New York City, 10/19/01. Photo by Scott Gries/ImageDirect.
No Doubt, Tony Kanal, Gwen Stefani, Adrian Young and Tom Dumont, backstage at the Wadsworth Theater before a taping of ABC Family's 'Front Row Center' in Los Angeles, Ca. Sunday, November 11, 2001. *Exclusive* Photo by Kevin Winter/Getty Images.
No Doubt's Gwen Stefani performs live at the My VH1 Music Awards 2001 at the Shrine Auditorium in Los Angeles, CA., Sunday, Dec. 3, 2001. Photo by Kevin Winter/Getty Images.
No Doubt lead singer Gwen Stefani performs during the Music Midtown 2002 in Atlanta, Georgia. 5/5/02 Photo by Scott Gries/ImageDirect
Gwen Stefani and Tom Dumont of No Doubt perform during the TRL 1000th episode celebration at the MTV Studios in Times Square, New York City. 10/23/02 Photo by Scott Gries/ImageDirect
SAN DIEGO - JANUARY 26: Singer Gwen Stefani of No Doubt performs during half-time of Super Bowl XXXVII between the Tampa Bay Buccaneers and the Oakland Raiders on January 26, 2003 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)
NEW YORK - FEBRUARY 23: Gwen Stefani of No Doubt performs at the 45th Annual Grammy Awards at Madison Square Garden on February 23, 2003 in New York City. (Photo by Frank Micelotta/Getty Images)
LOS ANGELES - NOVEMBER 15: No Doubt, with singer Gwen Stefani, performs at the taping of the 5th Annual 'A Home for the Holidays' at Ren Mar Studios on November 15, 2003 in Los Angeles, California. The CBS Special, celebrating the joys of adoption, is to air on December 23, 2003. (Photo by Kevin Winter/Getty Images)
LAS VEGAS - DECEMBER 10: Singer for the band 'No Doubt', Gwen Stefani attends the 2003 Billboard Music Awards at the MGM Grand Garden Arena December 10, 2003 in Las Vegas, Nevada. The 14th annual ceremony airs live tonight on FOX 8:00-10:00 PM ET Live/PT. (Photo by Carlo Allegri/Getty Images)
LOS ANGELES, UNITED STATES: Gwen Stefani (2L) and her group 'No Doubt' hold their Grammy award in the Best Pop Performance By a Duo or Group with Vocals category during the 46th Annual Annual Grammy Awards 08 February 2004 at the Staples Center in Los Angeles. AFP PHOTO/Hector MATA (Photo credit should read HECTOR MATA/AFP/Getty Images)
NEW YORK - AUGUST 29: (L-R) Adrian Young, Tom Dumont, Gwen Stefani and Tony Kanal of No Doubt arrive at the 2004 MTV Video Music Awards at the American Airlines Arena, on August 29, 2004 in Miami, Florida. (Photo by Peter Kramer/Getty Images)
NEW YORK - NOVEMBER 12: (U.S. TABS OUT) Singer Gwen Stefani performs live on MTV TRL November 12, 2004 at the MTV Times Square Studio in New York City. Her debut solo album 'Love, Angel, Music, Baby' will be released on November 23. (Photo by Frank Micelotta/Getty Images)
LOS ANGELES - DECEMBER 1: Musicians Gwen Stefani and her husband Gavin Rossdale attend the premiere of 'The Aviator' at Mann's Chinese Theatre on December 1, 2004 in Hollywood, California. (Photo by Mark Mainz/Getty Images)
NEW YORK - DECEMBER 10: (U.S. TABS OUT) Singer Gwen Stefani and her dancers appear on stage with MTV VJ Damien Fahey during MTV's Total Request Live at the MTV Times Square Studios December 10, 2004 in New York City. (Photo by Frank Micelotta/Getty Images)
NEW YORK - NOVEMBER 2: Singer Gwen Stefani launches L.A.M.B. men's sneaker line at Barney's on November 2, 2005 in New York City. (Photo by Fernando Leon/Getty Images)
LOS ANGELES, CA - NOVEMBER 22: Singers Gwen Stefani (L) and Pharrell perform onstage during the 2005 American Music Awards held at the Shrine Auditorium on November 22, 2005 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
LAS VEGAS - DECEMBER 06: Singer Gwen Stefani arrives at the 2005 Billboard Music Awards held at the MGM Grand Garden Arena on December 6, 2005 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LOS ANGELES, CA - FEBRUARY 08: 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, California. (Photo by Stephen Shugerman/Getty Images)
LOS ANGELES, CA - NOVEMBER 21: Singer Gwen Stefani performs 'Wind It Up' at the 2006 American Music Awards at the Shrine Auditorium November 21, 2006 in Los Angeles, California. (Photo by Ethan Miller/Getty Images)
LAS VEGAS - DECEMBER 04: Singer Gwen Stefani arrives at the 2006 Billboard Music Awards at the MGM Grand Garden Arena December 4, 2006 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
NEW YORK - DECEMBER 07: (U.S. TABLOIDS OUT) Singer Gwen Stefani performs on MTV's Total Request Live at MTV Studios, December 07, 2006 in New York City. (Photo by Evan Agostini/Getty Images)
WEST HOLLYWOOD, CA - FEBRUARY 22: Singers Gwen Stefani and Gavin Rossdale arrive at the 2009 Vanity Fair Oscar Party hosted by Graydon Carter held at the Sunset Tower on February 22, 2009 in West Hollywood, California. (Photo by Michael Buckner/Getty Images)
NEW YORK - MAY 01: Singer Gwen Stefani of No Doubt performs on NBC's 'Today' show at the Rockefeller Center on May 1, 2009 in New York City. (Photo by Bryan Bedder/Getty Images)
UNIVERSAL CITY, CA - JULY 22: Singer Gwen Stefani of the rock band No Doubt performs at the Gibson Amphitheatre on July 22, 2009 in Universal City, California. (Photo by Kevin Winter/Getty Images for Rebel Waltz)
UNIVERSAL CITY, CA - JULY 22: Singer Gwen Stefani (L) and bass player Tony Kanal of the rock band No Doubt perform at the Gibson Amphitheatre on July 22, 2009 in Universal City, California. (Photo by Kevin Winter/Getty Images for Rebel Waltz)
NEW YORK - SEPTEMBER 16: Kanye West and Gwen Stefani attend the L.A.M.B. Spring 2011 fashion show after party during Mercedes-Benz Fashion Week at Private Location on September 16, 2010 in New York City. (Photo by Andy Kropa/Getty Images)
NEW YORK - SEPTEMBER 10: Gwen Stefani attends the Sephora celebration of Fashion's Night Out at Sephora Soho on September 10, 2010 in New York City. (Photo by Bryan Bedder/Getty Images for Sephora)
LAS VEGAS - SEPTEMBER 22: Singer Gwen Stefani appears with her wax figure after it was unveiled at Madame Tussauds Las Vegas at the Venetian Resort Hotel Casino September 22, 2010 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LOS ANGELES, CA - NOVEMBER 13: Singer Gwen Stefani arrives at 'The Artist's Museum Happening' MOCA Los Angeles Gala held at MOCA Grand Avenue on November 13, 2010 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images for MOCA)
Singer Gwen Stefani (L) and musician Gavin Rossdale pose on the red carpet before the screening of 'The Tree of Life' presented in competition at the 64th Cannes Film Festival on May 16, 2011 in Cannes. AFP PHOTO / ANNE-CHRISTINE POUJOULAT (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)
ANTIBES, FRANCE - MAY 19: Gwen Stefani attends amfAR's Cinema Against AIDS Gala during the 64th Annual Cannes Film Festival at Hotel Du Cap on May 19, 2011 in Antibes, France. (Photo by Francois Durand/Getty Images)
HOLLYWOOD, CA - DECEMBER 08: Musician Gwen Stefani arrives at the premiere of FilmDistrict's 'In the Land of Blood and Honey' held at ArcLight Cinemas on December 8, 2011 in Hollywood, California. (Photo by Jason Merritt/Getty Images)
LOS ANGELES, CA - FEBRUARY 26: Singers Gwen Stefani (C) and Adrian Young arrive at the 20th Annual Elton John AIDS Foundation's Oscar Viewing Party held at West Hollywood Park on February 26, 2012 in West Hollywood, California. (Photo by Frederick M. Brown/Getty Images)
WEST HOLLYWOOD, CA - APRIL 13: Singer Gwen Stefani attends the world premiere of 'My Valentine' video hosted by Paul McCartney and Stella McCartney on April 13, 2012 in West Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)
UNIVERSAL CITY, CA - JULY 22: 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. (Photo by Kevin Winter/Getty Images)
LAS VEGAS, NV - SEPTEMBER 21: (L-R) Guitarist Tom Dumont, drummer Adrian Young, singer Gwen Stefani and bassist Tony Kanal of No Doubt perform onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 21, 2012 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images for Clear Channel)
UNIVERSAL CITY, CA - NOVEMBER 30: No Doubt's Gwen Stefani performs at Gibson Amphitheatre on November 30, 2012 in Universal City, California. (Photo by Christopher Polk/Getty Images for Rebel Waltz)
UNIVERSAL CITY, CA - NOVEMBER 30: Gwen Stefani and members of No Doubt perform at Gibson Amphitheatre on November 30, 2012 in Universal City, California. (Photo by Christopher Polk/Getty Images for Rebel Waltz)
BEVERLY HILLS, CA - OCTOBER 17: Singers Gwen Stefani and Gavin Rossdale, wearing Ferragamo, arrive at the Wallis Annenberg Center for the Performing Arts Inaugural Gala presented by Salvatore Ferragamo at the Wallis Annenberg Center for the Performing Arts on October 17, 2013 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images for Wallis Annenberg Center for the Performing Arts)
INGLEWOOD, CA - AUGUST 24: Singer Gwen Stefani attends the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Christopher Polk/Getty Images for MTV)
NEW YORK, NY - SEPTEMBER 04: Gwen Stefani attends Refinery29 Country Club Launch Event at 82 Mercer on September 4, 2014 in New York City. (Photo by Laura Cavanaugh/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Sting (L) and Gwen Stefani of No Doubt perform onstage at the 2014 Global Citizen Festival to end extreme poverty by 2030 in Central Park on September 27, 2014 in New York City. (Photo by Theo Wargo/Getty Images for Global Citizen Festival)
LOS ANGELES, CA - DECEMBER 03: Singer Gwen Stefani attends the collaboration celebration of Pharrell Williams and Adidas at Hinoki & The Bird on December 3, 2014 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for Adidas)
NEW YORK, NY - DECEMBER 12: Singer-songwriter Gwen Stefani speaks backstage at iHeartRadio Jingle Ball 2014, hosted by Z100 New York and presented by Goldfish Puffs at Madison Square Garden on December 12, 2014 in New York City. (Photo by Brad Barket/Getty Images for iHeartMedia)
NEW YORK, NY - DECEMBER 12: Gwen Stefani (L) and Pharrell Williams perform onstage during iHeartRadio Jingle Ball 2014, hosted by Z100 New York and presented by Goldfish Puffs at Madison Square Garden on December 12, 2014 in New York City. (Photo by Kevin Kane/Getty Images for iHeartMedia)
BEVERLY HILLS, CA - DECEMBER 18: Singer Gwen Stefani attends the PEOPLE Magazine Awards at The Beverly Hilton Hotel on December 18, 2014 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)
WEST HOLLYWOOD, CA - JANUARY 20: Gwen Stefani and MasterCard announce a Priceless Surprise Performance at the Orpheum in Los Angeles on Saturday, February 7th, 2015. (Photo by Christopher Polk/Getty Images for MasterCard)
LOS ANGELES, CA - FEBRUARY 07: Gwen Stefani performs during MasterCard Priceless Surprises presents Gwen Stefani at Orpheum Theatre on February 7, 2015 in Los Angeles, California. (Photo by Araya Diaz/Getty Images)
LOS ANGELES, CA - FEBRUARY 08: Singer Gwen Stefani attends The 57th Annual GRAMMY Awards at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
LOS ANGELES, CA - FEBRUARY 08: Singers Gwen Stefani (L) and Adam Levine perform 'My Heart Is Open' onstage during The 57th Annual GRAMMY Awards at the at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
WASHINGTON, DC - APRIL 18: Singer-songwriter Gwen Stefani of No Doubt performs onstage during Global Citizen 2015 Earth Day on National Mall to end extreme poverty and solve climate change on April 18, 2015 in Washington, DC. (Photo by Richard Chapin Downs Jr./Getty Images for Global Citizen)
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Continuing to gush over her team, Stefani added, "I love you guys, watching you blossom right before my eyes, having my influence on you is such a gift."

Making the choice of who to cut was clearly hard on the 46-year-old singer. "I only get to save one of you guys and that is totally upsetting," she said. "All can do in this crazy moment is follow my heart and think of the person I am going to be able to help the most."

WATCH: The Voice -- What You Didn't See on TV From Blake and Gwen's First Live Show as a Couple

Stefani ended up saving Bukowski and sending home Lawrence, Love and Kiraly.

NBC

It was an emotional episode for all the team leaders, including Stefani's new love interest Blake Shelton, as they all had to send someone home.

This was Stefani's first appearance on The Voice since news broke of an alleged three-year affair between Rossdale and the family's nanny, Mindy Mann.

ET found several photos of the 50-year-old rocker's alleged mistress, and noticed that she dresses a lot like Stefani. Check out the shocking similarities.

Gavin Rossdale Reportedly Cheated on Gwen Stefani with Family Nanny
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