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Katy Perry is clearly in awe of Rihanna.
But while chatting to Elle Canada, the "Roar" songstress may have revealed too much about her pal. Or did she?
"I think Rihanna always looks so fresh and I'm like, 'How do you do that? We all know how much pot you smoke!'" Perry tells the magazine in its October issue. "And you don't sleep because you're on Instagram at 4 o'clock in the morning!"