We recently showed you photos of Lady Gaga rocking a costume she calls "Princess High the Cannabis Queen", but she wasn't the only pop star to draw inspiration from god's green leaf. At a party of her own, Rihanna unveiled herself in a revealing kush-themed outfit for a ton of celebrity guests like the terrorizing Chris Brown. SMH. Too bad the rest of us weren't invited. Hit the thumbs for a closer look at RiRi in her provocative weed ensemble.