Minogues team up to mock Osbourne

Kylie and Dannii Minogue teamed up to mock Sharon Osbourne at the X Factor final on Saturday night.

The sisters were reportedly furious about Sharon's appearance on The Graham Norton Show, which saw the 55-year-old judge mocking her X Factor co-star Dannii.

In the interview, Osbourne claimed that Dannii had only been hired for her looks. She then pointed to her backside when asked what Minogue looked like, before laughing: "I am going to get into so much trouble for this! Well, f*** 'em all."

However, according to the Daily Star, Dannii managed to get her revenge on Saturday when she joined forces to mock Sharon in a comedy sketch with Kylie, who was on the show to perform a duet with eventual winner Leon Jackson. The girls' routine took place during an ad break and was only seen by the studio audience.

Pretending to be her sister, Kylie stood in front of the crowd and started pulling Dannii's hair, shouting: "Take that, you old witch."

As Sharon, Dannii retaliated by pretending to slap Kylie and yelling: "Who do you think you are? You're only here because Simon [Cowell] fancies you."

The audience found the act hilarious, as did Cowell and Louis Walsh. However, Sharon is believed to have looked stern throughout the performance.