Katy Perry

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Trending: The all-singing, all-dancing, all-filming stars

Nothing says global pop star right now like appearing on the big screen in a documentary about your life: your music, your relationships, your family, your tantrums, your tears. It's a narcissist's dream. Now Beyoncé is said to be directing, producing and appearing in a film that will include concert footage, backstage scenes and interviews with her and her loved ones. Clearly her day job of singing, designing and acting wasn't fulfilling enough.

Relationships: The art of a good divorce (hint: write a book)

D-I-V-O-R-C-E, spells out Tammy Wynette, in what is arguably the most famous song about the end of a marriage ever recorded. Wynette may not have actually written the 1968 hit, but anyone familiar with the pained vocal would not be surprised to learn that she had already been divorced twice.