Alexandra Burke has been confirmed as the special guest on this Saturday's So You Think You Can Dance.

The 2008 X Factor champion will perform her new single 'Broken Heels', which is released on January 18.

Chris and Anabel were the first people to leave the show on Saturday.

Anabel leaves the show



Chris leaves the show



SYTYCD airs at 6.30pm on Saturday, followed by the results show at 8.20pm.