TV
Rex Features
The 2006 X Factor winner and multi-platinum selling singer will perform her new single 'I Got You' on the February 6 results show.
Alexandra Burke, JLS and Lemar have already appeared on the BBC One dance show during the earlier rounds. Robbie Williams is confirmed to perform at the grand final, which airs on February 13.
The final eight contestants - Alastair Postlethwaite, Charlie Bruce, Robbie White, Drew McOnie, Lizzie Gough, Mandy Montanez, Tommy Franzén and Yanet Fuentes - are competing for the title of Britain's Favourite Dancer, £100,000 and the chance to perform on the US version of the show.
SYTYCD airs on Saturday at 6.30pm on BBC One.
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