Justin Bieber’s Grammys Weekend Kicks Off With Jack Ü Rehearsal, Party At 1OAK [Video]

Justin Bieber’s weekend, like many A-list stars, started with rehearsals for the 58th Annual Grammy Awards. The biggest event of the U.S. music industry calendar is two days away, and everyone who is anyone is in Los Angeles.

And, there is partying to be done too. Bieber hosted a pre-Grammy bash at the 1Oak club in West Hollywood last night. More on that below.

The 21-year-old superstar’s forthcoming performance with Skrillex and Diplo at the Grammys is one of the most anticipated of the night.

Skrillex, Diplo (as Jack Ü), and the Biebs’ game changer collaboration, “Where Are Ü Now,” is nominated in the Best Dance Recording category at the awards, along with four other nominees.

The track was first heard on Jack Ü debut album, which is nominated in the Best Dance/Electronic Album category. It also appears on Bieber’s record-breaking, critically acclaimed Purpose album.