‘FINALLY, my MOVIE is coming out with Paramount this summer!’ singer tweets. By Kara Warner Katy Perry Photo: Robyn Beck/ AFP/ Getty Images Get ready for a Katy Perry concert movie because it is coming your way this summer — in 3-D, of course. The Grammy-winning pop star announced the news herself via Twitter on Wednesday that “Katy Perry: Part of Me” is headed to a theater near you. “FINALLY, my MOVIE is coming out with Paramount this summer!” Perry tweeted to her nearly 16 million followers. “It’s called “KATY PERRY: PART OF ME” Presented In 3D! KATYCATS-LETS TREND #KP3D” Back in early February, news broke that Paramount had approached Perry and her camp about doing a documentary-style 3-D film
