Jennifer Lopez has been confirmed as the special guest on the So You Think You Can Dance final.
Lopez will give an exclusive UK TV performance of her single 'On The Floor' on Saturday night.
The promo appearance will see Lopez reuniting with her executive producer on American Idol Nigel Lythgoe, who is the head of the So You Think You Can Dance judging panel.
Katie Love, Matt Flint, Luke Jackson and Kirsty Swaine are the final four dancers hoping to take home the crown of Britain's Favourite Dancer, £50,000 and the chance to dance in Hollywood.
The So You Think You Can Dance final kicks off at 7.15pm on BBC One tomorrow.
> Nigel Lythgoe on SYTYCD, X Factor, Cheryl Cole
Watch the video for Jennifer Lopez's 'On The Floor' featuring Pitbull below:
