Last week Selena Gomez was spotted kissing The Weeknd in Los Angeles and it got everyone talking. The Weeknd's ex, model Bella Hadid, even unfollowed Selena on Instagram. Now Selena's ex, Justin Bieber is chiming in too. Bieber has reportedly been "blasting" Selena, calling her an "opportunist" and saying that her relationship "is all for show." He thinks she only dates stars to "help promote her music." Meanwhile, Bieber was spotted out with Kourtney Kardashian at the Peppermint Club on Saturday.