Ariana Grande sports light-up dress during performance with Little Big Town at the 2014 CMAs

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Ariana Grande sports light-up dress during performance with Little Big Town at the 2014 CMAs
NASHVILLE, TN - NOVEMBER 05: Kimberly Schlapman of Little Big Town and Ariana Grande perform during the 48th annual CMA awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Jason Davis/WireImage)
NASHVILLE, TN - NOVEMBER 05: Jimi Westbrook and Kimberly Schlapman of Little Big Town, Ariana Grande, Karen Fairchild and Phillip Sweet of Little Big Town perform during the 48th annual CMA awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Terry Wyatt/FilmMagic)
NASHVILLE, TN - NOVEMBER 05: Ariana Grande performs during the 48th annual CMA awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Jason Davis/WireImage)
NASHVILLE, TN - NOVEMBER 05: Ariana Grande performs during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Kimberly Schlapman of Lady Antebellum, Ariana Grande, and Karen Fairchild of Little Big Town perform during the 48th annual CMA awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Ariana Grande and Karen Fairchild of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Ariana Grande and Karen Fairchild of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Ariana Grande performs during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Ariana Grande performs during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Jimi Westbrook and Kimberly Schlapman of Little Big Town, Ariana Grande, and Karen Fairchild and Phillip Sweet of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Jimi Westbrook and Kimberly Schlapman of Little Big Town, Ariana Grande, and Karen Fairchild and Phillip Sweet of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Jimi Westbrook and Kimberly Schlapman of Little Big Town, Ariana Grande, and Karen Fairchild and Phillip Sweet of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Jimi Westbrook and Kimberly Schlapman of Little Big Town, Ariana Grande, and Karen Fairchild and Phillip Sweet of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Jimi Westbrook and Kimberly Schlapman of Little Big Town, Ariana Grande, and Karen Fairchild and Phillip Sweet of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Jimi Westbrook and Kimberly Schlapman of Little Big Town, Ariana Grande, and Karen Fairchild and Phillip Sweet of Little Big Town perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
NASHVILLE, TN - NOVEMBER 05: Ariana Grande and Little Big Town's Karen Fairchild perform during the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE -- 'Chris Pratt' Episode 1663 -- Pictured: Musical guest Ariana Grande performs on September 27, 2014 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
NEW YORK, NY - SEPTEMBER 27: Ariana Grande performs at BPM Nightclub on September 27, 2014 in New York City. (Photo by Jerritt Clark/Getty Images)
TORONTO, ON - JUNE 15: Ariana Grande performs at the 2014 Much Music Video Awards at Much HQ on June 15, 2014 in Toronto, Canada. (Photo by George Pimentel/WireImage)
TORONTO, ON - JUNE 15: Ariana Grande performs at the 2014 Much Music Video Awards at Much HQ on June 15, 2014 in Toronto, Canada. (Photo by George Pimentel/WireImage)
TORONTO, ON - JUNE 15: Ariana Grande performs at the 2014 Much Music Video Awards at Much HQ on June 15, 2014 in Toronto, Canada. (Photo by George Pimentel/WireImage)
TORONTO, ON- JUNE 15 - Ariana Grande performs 'Problem' to close out the Much Music Video Awards at MuchMusic Queen Street West in Toronto. June 15, 2014. (Steve Russell/Toronto Star via Getty Images)
LAKE BUENA VISTA, FL - JUNE 24: In this handout photo provided by Disney Parks, singer Ariana Grande gives Mickey Mouse a kiss in front of Cinderella Castle in the Magic Kingdom June 24, 2014 in Lake Buena Vista, Florida. Grande is celebrating her 21st birthday with dozens of family and friends at Walt Disney World. (Photo by Chloe Rice/Disney Parks via Getty Images)
LOS ANGELES, CA - SEPTEMBER 21: Ariana Grande performed at the Power 106's All-Star Celebrity Basketball Game Benefiting Homeboy Industries at USC Galen Center on September 21, 2014 in Los Angeles, California. (Photo by Leon Bennett/Getty Images,)
LAS VEGAS, NV - MAY 18: Recording artist Ariana Grande performs during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 18: Recording artist Ariana Grande performs during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 18: Recording artist Ariana Grande (C) performs with dancers during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 18: Recording artist Ariana Grande performs during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - MAY 18: Recording artist Ariana Grande (L) performs with dancers during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LOS ANGELES, CA - MAY 10: Rapper Big Sean (L) and singer Ariana Grande perform at 102.7 KIIS FM's Wango Tango at StubHub Center on May 10, 2014 in Los Angeles, California. (Photo by Chelsea Lauren/WireImage)
LOS ANGELES, CA - MAY 10: Singer Ariana Grande performs at 102.7 KIIS FM's Wango Tango at StubHub Center on May 10, 2014 in Los Angeles, California. (Photo by Chelsea Lauren/WireImage)
LOS ANGELES, CA - MAY 10: Ariana Grande performs at KIIS FM's Wango Tango at StubHub Center on May 10, 2014 in Los Angeles, California. (Photo by Jeff Kravitz/FilmMagic)
LOS ANGELES, CA - MAY 10: Actress/singer Ariana Grande performs at 102.7 KIIS FM's 2014 Wango Tango at StubHub Center on May 10, 2014 in Los Angeles, California. (Photo by Gregg DeGuire/WireImage)
LOS ANGELES, CA - MAY 10: Actress/singer Ariana Grande performs at 102.7 KIIS FM's 2014 Wango Tango at StubHub Center on May 10, 2014 in Los Angeles, California. (Photo by Gregg DeGuire/WireImage)
LOS ANGELES, CA - MAY 10: Singer Ariana Grande performs onstage during 102.7 KIIS FM's 2014 Wango Tango at StubHub Center on May 10, 2014 in Los Angeles, California. (Photo by Kevin Winter/Getty Images For 102.7 KIIS FM's Wango Tango)
LOS ANGELES, CA - MAY 10: Singer Ariana Grande performs onstage during 102.7 KIIS FM's 2014 Wango Tango at StubHub Center on May 10, 2014 in Los Angeles, California. (Photo by Kevin Winter/Getty Images For 102.7 KIIS FM's Wango Tango)
LOS ANGELES, CA - MAY 01: iHEARTRADIO MUSIC AWARDS -- Pictured: (l-r) Singer Ariana Grande and actress Hilary Duff onstage during the iHeartRadio Music Awards held at the Shrine Auditorium on May 1, 2014. (Photo by Mark Davis/NBC/NBCU Photo Bank)
LOS ANGELES, CA - MAY 01: iHEARTRADIO MUSIC AWARDS -- Pictured: (l-r) Singer Ariana Grande accepts the iHeartRadio Young Influencer Award from actress Hilary Duff onstage during the iHeartRadio Music Awards held at the Shrine Auditorium on May 1, 2014. (Photo by Mark Davis/NBC/NBCU Photo Bank)
LOS ANGELES, CA - MAY 01: Actress/singer Ariana Grande performs onstage during the 2014 iHeartRadio Music Awards held at The Shrine Auditorium on May 1, 2014 in Los Angeles, California. iHeartRadio Music Awards are being broadcast live on NBC. (Photo by Kevin Mazur/Getty Images for Clear Channel)
LOS ANGELES, CA - MAY 01: iHEARTRADIO MUSIC AWARDS -- Pictured: Singer Ariana Grande performs onstage during at the iHeartRadio Music Awards held at the Shrine Auditorium on May 1, 2014. (Photo by Mark Davis/NBC/NBCU Photo Bank)
HOLLYWOOD, CA - APRIL 30: (L-R) Host Ryan Seacrest, contestant Sam Woolf and singer/actress Ariana Grande onstage at FOX's 'American Idol XIII' Top 5 Live Performance Show on April 30, 2014 in Hollywood, California. (Photo by FOX via Getty Images)
PALM SPRINGS, CA - APRIL 26: Singer Ariana Grande performs during Jeffrey Sanker Presents the 25th White Party Anniversary at Palm Springs Convention Center on April 26, 2014 in Palm Springs, California. (Photo by Vincent Sandoval/WireImage)
LOS ANGELES, CA - MARCH 29: (L-R) Actors Maree Cheatham, Zoran Korach, Cameron Ocasio, and actress Ariana Grande speak onstage during Nickelodeon's 27th Annual Kids' Choice Awards held at USC Galen Center on March 29, 2014 in Los Angeles, California. (Photo by Lester Cohen/WireImage)
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By BRYNN MANNINO

Sizzling popstar Ariana Grande made an appearance at the CMA awards to perform with fan-favorite Little Big Town, who snagged its third straight award for vocal group of the year.

The quintet wore glow-in-the-dark, light-up costumes, which they said took quite a bit of work.

"So many people and so many wires in so many places," the band said backstage. "It was a fragile and delicate situation. We couldn't bend over or turn to the side or we would short out."

"You don't just sew light that does that into a costume. It takes a lot of planning."

As Jezebel points out, the collaboration was ... surprising, but satisfying none-the-less. If you're a fan of Little Big Town, you know the team-up only meant one thing: more genius harmonies. #yesplease

Darius Rucker & Little Big Town on CMA Awards
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