( EW.com ) -- When Lady Gaga flounces onto a concert stage in one of her Marie Antoinette-gone- '' Clockwork Orange '' getups , there 's never much doubt that you 're watching a glorious `` monster . '' The magic of Katy Perry , by contrast , is that she 'll show up to perform in a shiny blue wig with Bettie Page bangs wearing oversize spinning lollipops pinned to her breasts ... and damned if she still does n't look like the girl next door . In the thrilling 3-D concert film `` Katy Perry : Part of Me , '' there are a lot of things to love about Perry , from her sweetly sexy and pert beauty to her full-throated voice to the outrageous hookiness of songs like `` Teenage Dream '' and `` Last Friday Night '' ( to me , her greatest track ) . Yet you could talk about every one of those things without capturing what 's most special about Perry : the joy that beams out of her like a holy light . `` Part of Me '' works hard to prove it 's more than a glorified infomercial , and one reason it is more is that Perry has a startling story to tell . The daughter of Pentecostal ministers , she grew up in a Christian bubble , sheltered from pop . But once she embraced pop , she did so with an almost religious zeal . The film also documents the breakup of her marriage to Russell Brand , and though it 's glimpsed from the sidelines , Perry 's despair is on full display . `` Part of Me '' demonstrates why feeling the sorrow may help to project the joy . EW 's grade : A- . See the full story at EW.com . CLICK HERE to Try 2 RISK FREE issues of Entertainment Weekly . © 2011 Entertainment Weekly and Time Inc. All rights reserved .
She gives ` ` Katy Perry : All of Me '' an interview . The appeal of Katy Perry is that she still seems like the girl next door . The film documents her Pentecostal faith and her breakup with Russell Simmons .