London, Nov 22 Mariah Carey has planned a grand 10,000-pound champagne bash for this season's The X Factor winner.

"She's been really impressed by everyone on the show and thinks whoever wins deserves to feel like a superstar," the Daily Star quoted an insider, as saying.

"Her favourite brand costs around 1,000-pound a bottle so not everyone can get their hands on it that easily!

"The X Factor champ will feel they're on the A-list already."

The 39-year-old crooner dished out a cool 50,000pounds on the Angel bubbly at a party for pals in London last week.

The champagne comes in hand-finished silver bottles and that makes up part of the price.

The source said: "She wants the winner to feel extra special and this champagne is certainly one way of making sure that comes true." (ANI)