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Amanda Bynes unretired from acting in time to promote her new movie (see video after jump), Katy Perry share photos from new “Teenage Dream” video shoot, Demi Moore hangs with Miley Cyrus on the set of LOL, and celebs do Comic-Con in San Diego.

Check out the videos from Amanda Bynes and Katy Perry after the jump.

Amanda Bynes un-retires to promote Easy A:easy A. September 17th.

Katy Perry puts together a video for her new single:Here! A youtube I put together w/ the lyrics & a BUNCH of stills from the upcoming Teenage Dream music video