Justin Bieber and Nicole Scherzinger are both set to appear on BBC One's charity talent show Let's Dance For Comic Relief.
The teen pop megastar and the former Pussycat Dolls star will both perform their latest singles during the final heat of the contest on 2 March.
The X Factor judge Nic will be performing Boomerang, while Biebs will give a rendition of All Around The World.
Lee Nelson will be dancing to Swan Lake, Vanessa Feltz and Keith Duffy will be among the other celebs taking part in the dancing part of the show on the night that the duo appear.
They will be judged by Arlene Phillips, Keith Lemon and Lee Mack.

Biebs was [uuid=f971098e-7aa0-4c6d-ad0a-1904ae05e4b8]partying with Will.I.Am[/uuid] in London last night.