Justin Bieber may have set Twitter alight with his rumoured new relationship, but his ex-girlfriend is also getting plenty of attention on the social networking site.

Thousands of Selena Gomez fans are showing their support for her, after a picture emerged of her former flame Justin kissing model Hailey Baldwin.

The news started trending around the world on Twitter but supporters of Selena soon responded, using #WeLoveYouSelena.

Selena and Justin were in an on/off relationship for around four years.