Katy Perry gives ET's Denny Directo an exclusive look behind the scenes of 'The Lifetimes Tour'. The popstar kicked off her ...

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The 30-year-old actor, son of Maria Shriver , 69, and Arnold Schwarzenegger , 77, has enjoyed quite the star-studded dating history including a fling with pop megastar Miley Cyrus. Katherine, 35, took ...