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Katy Perry fans who can't wait to see her big-screen 3D concert movie are in for a treat: Paramount's Insurge Pictures' is sneaking the movie three days ahead of the July 5 opening, and tickets are available now to see Katy Perry: Part of Me first on July 2!

Video: Katy Perry Shuts Down Hollywood Blvd.

The sneak previews, presented exclusively in RealD 3D, will play in 100 locations in the U.S. and Canada at 4:00 p.m. and 7:00 p.m. Go to www.KatyPerryPartofMe.com/Sneak and participating box offices for tickets. Fans who buy tickets for the sneak screenings will also get pink collectible Katy Perry RealD 3D glasses and an exclusive pin-up poster. Cool!

Video: Katy Perry on Personal Struggles Captured in Film

Katy Perry: Part of Me gives viewers a backstage pass, front row seat and intimate look at the fun, glamorous, heartbreaking, inspiring, crazy, magical, passionate and honest mad diary of Katy.