British actor Idris Elba showcased his rapping skills on Monday night (24Mar14) when he made a surprise appearance on stage with singer/producer Mr Hudson.

The musician was launching his latest album at London burlesque club The Box when he welcomed The Wire star onstage to perform with him.

Elba, who Djs under the name Driis, reportedly rapped his way through two tracks from the new record in front of a crowd that included actor Kiefer Sutherland, who is in London to film hit Tv show 24.

Hudson documented the special moment by posting a picture of his performance with Elba on his Twitter.com page, adding, "#stepintotheshadows (new single) #mrhudson #idriselba #thebox #Smirnoff (sic)."