Jon Bon Jovi, Bell Biv DeVoe & A CeeLo DJ Set: Inside Primary Wave x Billboard No. 1s Pre-Grammy Party

Melissa Etheridge, Grandmaster Flash and Fifth Harmony’s Ally Brooke & Dinah Jane were also among the guests at the Waldorf Astoria Beverly Hills.

Primary Wave’s annual pre-Grammy party went down Saturday night at the Waldorf Astoria Beverly Hills, and this year, for the first time, it celebrated Billboard No. 1s.

Check out the coverage and photos HERE