Cody Simpson certainly celebrated his 18th birthday in style.

Surrounded by close friends on Sunday, the Australian singer was joined by the likes of girlfriend Gigi Hadid and US musician Miley Cyrus for the celebrations in Los Angeles.

Taking to Twitter on Monday, the blonde heart throb shared a photo of his big night, along with the caption: ‘Thank you to everyone who helped me celebrate my 18th last night, grateful for such great mates’.