Rita Ora
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Stars perform in memory of Stephen Lawrence

Jessie J, Plan B, and Emeli Sande led a tribute concert for murdered teenager Stephen Lawrence on Sunday night in London's O2 Arena.

The 18-year-old was killed 20 years ago in a racist attack in southeast London.

The "Unity" concert also featured performances from Rizzle Kicks, Rita Ora, Ed Sheeran and Beverley Knight.

Stephen's mother Doreen, who received a peerage this year for her endless campaigning, was introduced on stage by film director Danny Boyle.

Go to next video: Doreen Lawrence criticises police