PIX: Zoe Saldana, Bradley Cooper at Guardians of Galaxy premiere

Here's what your favourite Hollywood stars have bee up to.

Cast member Zoe Saldana poses at the premiere of Guardians of the Galaxy in Hollywood, California on July 21.

The movie opens in the US on August 1.

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Zoe's costar, Oscar-nominated star Bradley Cooper clicks a selfie with gathered fans at the premiere.

Cast member Vin Diesel, at the premiere.

Veteran actress Glenn Close poses on the red carpet.

Cast member Chris Pratt poses for pictures with actress wife Anna Faris.