Starlets Emma Watson and Lily Collins look festival ready as they attend California's Coachella music extravaganza in flirty frocks.
Meanwhile, Katy Perry got into the party spirit with her best friend Rihanna.
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The Firework songstress was perfectly kitted out for the alternative shindig in a sheer floral gown teamed with sturdy boots and newly dyed purple tresses.
Other stars enjoying the entertainment included David Hasselhoff, 59, and his 32-year-old girlfriend Hayley Roberts.
The couple made quite a splash arriving in KITT, the talking car that he drove as the Knight Rider.