Lukas Graham and Kelsea Ballerini joined together to perform their hits, "7 Years" and "Peter Pan" respectively, at the 2017 Grammy Awards tonight (Feb. 12).

Hosted by James Corden, the 59th annual Grammy Awards ceremony took place at the Staples Center in Los Angeles on Sunday, February 12, broadcast live on CBS. The 2017 Grammy Awards nominees were announced on December 6, with a tribute performance to Prince.

Our 2017 Grammys host Aja Dang is on the red carpet for us this year: keep up with everything happening live on Facebook, follow us on Twitter at @PopCrush and join the conversation on social media using #GrammysPC!

The Weirdest and Most WTF 2017 Grammys Red Carpet Outfits: