If Justin Bieber Does Smoke Pot, Here Are 17 Celebs He Could Blaze With! (PHOTOS)

Singer Rihanna was caught on camera in January with a hand rolled cigarette that looks suspiciously like something other than tobacco. The day before the pictures surfaced, she tweeted these Drake lyrics: "Kush rolled, glass full...I prefer the better things!" (For those not in the know, Kush is a high-grade strand of marijuana.)

She hasn't straight out admitted she was doing anything other than quoting lyrics, but still...