'Strictly Come Dancing' has scored a victory over 'The X Factor' by agreeing a deal for Lily Allen to sing her new single 'Who'd Have Known?' on the show.
The Mirror reports that host Bruce Forsyth made the announcement during Saturday's show.
Read our 'Strictly Come Dancing' blog.
A BBC source is quoted as saying: "Lily was wanted by both shows so we're delighted."
Allen won Best Track at the Q Awards in London yesterday for her song 'The Fear'.
Jo Wood and professional dance partner Brendan Cole were voted off 'Strictly Come Dancing' on Saturday.
