Billboard Music Awards: Lukas Graham Performs "7 Years," Pays Tribute to Danish Hometown

The show is airing live on ABC from the T-Mobile Arena in Las Vegas.

Danish pop band Lukas Graham took to the stage at Sunday's Billboard Music Awards to perform their hit "7 Years." The nostalgic single went platinum in the U.S. earlier this month. 

During the performance, lead singer Lukas Graham Forchhammer wore shorts bearing the words "Freetown Christiania," the name of the hippie commune suburb located outside of Copenhagen, Denmark, where he grew up.

"It's a social experiment that worked," Forchhammer recently told Billboard. "The people renovated the area ­themselves, putting in a sewage system, phone ­system, everything." But it also was infamous for its unpoliced drug quarter, to which the city's gangs flocked. "Our neighborhood was ground zero, where all the scores were settled. But it was home."

The kudocast is being hosted by Ciara and Ludacris, and includes performances from Rihanna, Madonna and Demi Lovato.

The 2016 Billboard Music Awards aired live on Sunday on ABC from the T-Mobile Arena in Las Vegas. For a list of the winners, click here.