44-year-old singer seems to be already in a festive mood, as she put on a racy French maid costume complete with lace trim and gloves during her segment Ellen.
Meanwhile, Britney - who is currently on a break from her own Las Vegas accommodation Pieces Of Me - was spotted leaving a dance rehearsal in Thousand Oaks, California on Thursday.
TMZ reports, Mariah will fill in for this resort and casino resident singer Celine Dion, 46, who plans to take an indefinite break-even year, which could take several months or maybe.
Views:
Rob Jones
Who cares. She can't sing with a damn anymore and has an equally horrible personality.
Gendarme
I think the show was "inspired in part" for Carey's ego. Keeping up with the Celines has always been important to her.
Jesse Dorran
She does not need to be eating at the cheese cake factory. Plus she does still have talent
