Kelly O. has been working for 6 years, it's time to stop.

Kelly Osbourne is retiring at the age of 21. The outspoken star - who shot to fame on hit reality TV show 'The Osbournes', with parents Sharon and Ozzy and brother Jack - admits she is sick of working Kelly has quit singing after just one album saying: "I don't intend to do anything I've been working since I was 15 - what do I want to work for?" [FemaleFirst]