Katy Perry's Australian premiere of Part of Me 3D at the George St Cinema, Sydney

Katy Perry hit the red carpet at the George St Cinema in Sydney on Saturday June 30 to help celebrate the launch of her brand new flick, Katy Perry: Part of Me 3D.

The highly anticipated movie, which hits cinemas on July 2, documents the ups and downs of the pop star's life behind closed doors, and offers rare insight into the life she leads off the red carpets and away from all the glitz and glam.

Reece Mastin, Ricki Lee, Ruby Rose and others attended the Sydney premiere.

Photo: Getty/ Getty Images Entertainment/ Brendon Thorne