Entertainment Music Dueting Divas! Christina Aguilera and Demi Lovato Debut 'Fall in Line' at Billboard Music Awards Christina Aguilera and Demi Lovato delivered a high-energy performance of their new duet, "Fall in Line," at Sunday's Billboard Music Awards in Las Vegas By Dave Quinn Dave Quinn Instagram Twitter Dave Quinn is an Editor for PEOPLE, working across a number of verticals including the Entertainment, Lifestyle and News teams. He joined in 2006 as a Writer/Reporter where he became known for his Bravo and Broadway exclusives across print and digital. Dave is the author of the No. 1 New York Times best-selling book, Not All Diamonds and Rosé: The Inside Story of the Real Housewives from the People Who Lived It. He's appeared on many broadcasts including ABC's Good Morning America, Bravo's Watch What Happens Live with Andy Cohen, E!'s Daily Pop, NBC's New York Live and PEOPLE's own Reality Check, as well as a number of podcasts like Bitch Sesh, Everything Iconic, Watch What Crappens, Hot Off the Mess, Mention It All, and PEOPLE Every Day. Prior to working at PEOPLE, Dave was the chief Theater Reporter for NBC New York and co-host of Entertainment Weekly's acclaimed TV Recaps series. People Editorial Guidelines Published on May 20, 2018 09:05 PM Share Tweet Pin Email We independently research, test, review, and recommend the best products—learn more about our process. If you buy something through our links, we may earn a commission. Christina Aguilera and Demi Lovato took the stage at Sunday’s Billboard Music Awards in Las Vegas for the first time together, delivering a high-energy performance of their new duet, “Fall in Line.” Both singers — Aguilera, 37, and Lovato, 25 — sounded incredible on the track, their powerhouse vocals making the twosome tune soar. Aguilera appeared on the stage first, donning a Gareth Pugh leather trench coat and flanked by marching military figures clad in matching black uniforms. The menacing men grab Xtina just as the “Sorry Not Sorry” singer picks up the vocal slack, before the pair begin trading soulful vocal arias. The song, the latest single off of Aguilera’s upcoming album Liberation, is an inspiring anthem of self-empowerment built for the #TimesUp era — with lyrics that, like Aguilera’s “Fighter” and “Can’t Hold Us Down,” and Lovato’s “Confident” and “Sorry Not Sorry,” remind women to find their inner strength and stand up for themselves. Ethan Miller/Getty Rob Latour/Shutterstock Ethan Miller/Getty “It’s just the way it is / And maybe it’s never gonna change / But I got a mind to show my strength / And I got a right to speak my mind,” the two stars sing in the chorus. “And I’m gonna pay for this / They’re gonna burn me at the stake / But I got a fire in my veins / I wasn’t made to fall in line / No I wasn’t made to fall in line.” John Shearer/Getty Chelsea Lauren/Shutterstock Check out PEOPLE’s full Billboard Music Awards coverage to get the latest news on music’s big night. “Fall in Line” first dropped on Wednesday, weeks after Aguilera confirmed her collaboration with Lovato with Liberation‘s track listing. The duet had long been speculated about by fans, considering both singers had long spoken about working together. Lovato told Billboard late last year that she worked with “one of my biggest idols” but said she couldn’t yet reveal who she had teamed up with. “I can’t wait for the world to hear it. It’s an incredible song,” she teased at the time. Everything You Need to Know About the 2018 Billboard Music Awards “Christina’s my girl and big things are coming,” the former Disney Channel star added in March during a Dallas stop on her latest tour. Aguilera had equally vague things to tell TMZ that same month. “I love Demi,” she gushed to the outlet. “She’s my girl, big things are coming!” Want to keep up with the latest from PEOPLE? Sign up for our daily newsletter to get our best stories of the day delivered straight to your inbox. Each seemed excited by the final product. “To anyone who’s ever felt silenced and repressed, the truth seekers and bold thinkers… may you liberate your voice and break the mold, never back down, and never fall in line,” Aguilera wrote on Twitter. “BUCKET LIST ITEM 1,” Lovato tweeted. “I hope you love this song as much as I do. It’s such an honor to lend my voice to this anthem for women with one of the most inspiring individuals I’ve ever met.” Aguilera responded, “I believe our paths were destined to cross & I’m so proud to come together from the pasts we’ve overcome; to the strong women we are today! You’re truly a GEM, I have immense love & respect for you! You are an inspiration for future young girls of your generation. Beautiful work!” RELATED VIDEO: Christina Aguilera Gets a Makeunder and Poses Completely Barefaced in ‘Liberating’ Photo Shoot Back in September, Lovato told PEOPLE that Aguilera was a musical inspiration on her latest album, Tell Me You Love Me. “I grew up listening to Christina Aguilera. She was one of my idols growing up, she still is,” she said. “I think it was her breakout album [2002’s Stripped] that really transformed her into the icon that she is today. So that inspired me … she really inspired this album. I was even inspired by the black and white artwork!” Christina Aguilera and Demi Lovato Drop Inspiring Duet of Self-Empowerment ‘Fall in Line’ Liberation is Aguilera’s first album since 2012’s Lotus. This fall, she’ll embark on her first North American concert tour in 10 years. The 22-date Liberation Tour kicks off Sept. 25 in Hollywood, Florida — one month shy of the 10-year anniversary of Aguilera’s final Back to Basics Tour stop on Oct. 24, 2008. The 2018 Billboard Music Awards is currently broadcasting live from the MGM Grand Garden Arena in Las Vegas, and airing on NBC.