Beyoncé - It's all about prayers and massage chairs for Queen Bey. She also listens to a specially-made playlist that fans would love to get a hold of.
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Katy Perry - The pop star famously loves to surround herself with pink and white seasonal fresh flowers, but absolutely not carnations!
Justin Bieber - It used to be Sour Patch Kids and gummy worms, but these days the star may have moved on to something a little harder.
John Legend - Besides resting his voice, the singer eats half of a rotisserie chicken before performing.
Kanye West - The artist requires a barber’s chair, either to get a fresh cut before each show or to put him in his happy place.
Eminem - The rapper works out backstage with 25-lb dumbbells and eats Lunchables Snack Packs.
Jack White - The rock star said that before shows he's usually "backstage with a baseball bat breaking things. You have to work yourself up into a frenzy." The whiskey and Redbull helps!
Kesha - The singer rallies her dancers and bandmates by inviting them to slather themselves in oil and cover themselves in glitter.
Selena Gomez - The star drinks a teaspoon of olive oil for her voice, and she told Ellen DeGeneres, "It's awful. You let it go down and it coats your throat. I gag every time."
Lady Gaga - Along with eating healthy foods like tofu and coconut water, Lady Gaga apparently likes to dance topless with her dancers while throwing glitter everywhere.