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New daddy (and RocNation founder) Jay-Z couldn’t make the party, but he still managed to draw a slew of supporters to his label’s annual pre-Grammy brunch at Hollywood’s Soho House, where guests like Corinne Bailey Rae and Katy Perry got a chance to relax before the big night. “I woke up with my hair like this,” said Rihanna (in Bottega Veneta) of her laid-back look. “I only wanted something on my lips and to put on a suit.” See more stars who made the most of the music industry’s biggest weekend in the gallery now.

— Bronwyn Barnes, with reporting by Lindzi Scharf and Andrea Simpson