The X Factor judge, who's currently on a European tour with the Black Eyed Peas, has worn their exclusive diamonds before on the show.
The dinner party will be held at the Riviera hot spot Hotel du Cap and other guests will include fashion’s elite Naomi Campbell and Margerita Missoni.
Cheryl will make a brief 30-minute performance at the event.
With Cheryl’s impeccable style and jaw–dropping beauty, we can’t wait to see her look later.
Check back tomorrow for pics!
By Marisa Bate