Kelly Osbourne is "terrified" about appearing on "Dancing With The Stars." The presenter has signed up to star on the U.S. celebrity dance contest and although she is "excited" about competing, she admits it is a scary prospect because her abilities are so limited.

She told KIIS-FM radio host Ryan Seacrest: "I am so excited but I cannot tell you how terrified I am!"

Justin Timberlake says John Mayer is the love child of Macy Gray and a bear. Justin was about to launch into an impression of the "Gravity" singer when he likened John's vocal talents to a cross between Macy and a growling bear.

Appearing on the premiere of talk show "Late Night with Jimmy Fallon," Justin - who is good friends with John - said: "I imitate stars because I love them. How would I describe John Mayer? He sounds like if Macy Gray and Smokey Robinson, or actually, Smokey the Bear had a love child."

Sex Pistols singer John Lydon wants to write a song for Britney Spears.

The outrageous rocker - better known as Johnny Rotten - believes he and the troubled pop princess could pen a great track together, despite their vastly different musical styles.