The Chainsmokers welcomed special guests the Backstreet Boys to the stage during their Los Angeles Convention Center concert Friday night (Dec. 30). At the duo's headlining gig, presented by Insomniac and Exchange LA and their biggest to date, the boy band sang late '90s hits "I Want It That Way" and "Larger Than Life."
"Stoked we got to share the stage w/ @thechainsmokers tonight! Congrats on your huge La Convention Center gig... and thx for having us," Backstreet Boys tweeted.
Meanwhile, the Chainsmokers tweeted: "A massive thanks to the Backstreet Boys for smashing it so hard! Yall stole the show!"