Photo: WENN.com

Usher, Wiz Khalifa and more stars have taken to Twitter to pay their respects to Michael Jackson, who died on 25 June, 2009 - three years ago today.

Jackson died at his LA home of intoxication after suffering a respiratory arrest. His doctor, Conrad Murray was sentenced to four years in prison in November 2011 for involuntary manslaughter.

Usher tweeted: "RIP Michael Jackson - you will never die in our hearts, your legacy will live on forever!"

US rapper, and the artist currently sharing the UK No.1 spot with Maroon 5, Wiz Khalifa, said: "3 years ago today the world lost a legend. RIP Michael Jackson. Your music lives on for you. Thank you for everything!"

Meanwhile, X Factor judge Louis Walsh also took to the social networking site to share his feelings for the King Of Pop, saying: "3 years ago today the world lost a legend. RIP Michael Jackson. Your music lives on for you. Thank you for everything! Retweet for respect."

Rising UK rapper Mz Bratt, also tweeted: "R.I.P to an absolute musical legend! Michael Jackson x"

Below: Michael Jackson  - best live performances