The BBC has announced that Gary Barlow and Robbie Williams are to perform a duet on the show.
They will sing their new single 'Shame' on the Saturday, 2 October show on BBC One.
Moira Ross, 'Strictly Come Dancing' Executive Producer, said: "Having Robbie Williams and Gary Barlow performing on our first live weekend is a fantastic way to kick off this series.
"With all 14 celebrity couples either dancing a Waltz or a Cha Cha Cha, it's going to be an exciting start to the show."