Kelly Michelle Lee Osbourne (born 27 October 1984) is an English media personality, television personality, host, judge, fashion designer, singer, and actress, best known for being the daughter of Ozzy and Sharon Osbourne. She was thrust into the limelight after appearing on the reality series The Osbournes with her family, for which they won a 2002 Emmy Award for Outstanding Reality Program. She has also appeared on Dancing with the Stars, in which she and professional dance partner Louis van Amstel took third place, and has made forays into music, acting, theatre, writing, columnist and broadcast presenting.
Osbourne was born in Westminster, London. She has an elder sister, Aimee, and a younger brother, Jack. She has two half-siblings: Jessica Hobbs and Louis John Osbourne from Ozzy's first marriage. She had an unofficially "adopted" brother, Robert Marcato, whom Sharon and Ozzy took in after Marcato's mother died. Kelly grew up travelling with her father as he went on tour, and lived in more than 20 homes between the UK and the US.