Selena Gomez shows off derriere in Racy Thong Shot

Just one day after Bella Hadid unfollowed her on the social media site, Selena Gomez have showed off her derriere in a raunchy Instagram snap.

The defiant image was taken and posted by fashion photographer Mert Alas and comes as Selena's blossoming romance with Bella's ex The Weeknd was revealed.