Jay-Z and Coldplay were joined by a host of big stars as they played a special New Year party in Las Vegas.

Kanye West, Jay-Z’s wife Beyonce, John Mayer and Rihanna all made collaborative appearances at the Cosmopolitan casino and resort in Las Vegas.

West teamed up with Jay-Z and Coldplay’s Martin on ‘Homecoming’, while Martin accompanied Beyonce on piano for ‘Halo’.

The singer also joined her husband on ‘Forever Young’, before Mayer played guitar during Jay-Z’s ’99 Problems’.

Other guests included Jennifer Lopez, 50 Cent, Martin’s wife Gwyneth Paltrow and singer Florence Welch.

Many celebrities, including Hollywood actress Cameron Diaz, also attended the event.

Jay-Z, Chris Martin, Kanye West - 'Homecoming':

(Gigwise)