@HollywoodSurprise Appearances Rock Coachella@HollywoodUpdated April 14, 2014 at 4:56 PMLink CopiedRead full articleThe first weekend of Coachella did not disappoint in the celeb cameo department. Unannounced performances included Justin Bieber, Blondie, Mary J Blige, Katy Perry, Lorde, and More. View comments