Adam Lambert is the latest big name in music to pay tribute to Robin Williams.

The 63-year-old actor and comedian was found dead on Monday (August 11) in his home.

Police confirmed that he is likely to have committed suicide, with a rep adding that Williams had been "battling severe depression".

The news has shocked the entertainment world and there has been an outpouring of condolences and tributes.

Vocal powerhouse Adam Lambert has taken to Instagram to honour Williams, saying alongside a photo collage:

"One of all time greatest. Will be missed. ;(."

Rihanna meanwhile said: "Heartbreaking news about the late Robin Williams. May his soul now be at peace!"

P!nk added: "He gave so many of us so much joy. I hope he knew that deeply."

Follow us: @Pressparty on Twitter / Pressparty on Facebook.

Watch Adam Lambert in action below: