Kelly Michelle Lee Osbourne is an English television personality, singer, actress, model, and fashion designer. The daughter of Ozzy and Sharon Osbourne, she appeared on the reality show The Osbournes (2002–2005) with her family, for which they won a 2002 Emmy Award for Outstanding Reality Program. In 2009, she was a contestant on the dancing competition show Dancing with the Stars, in which she and her professional dance partner Louis van Amstel took third place. Osbourne was a presenter on Project Catwalk (2007–2008) and Fashion Police (2010–2015) and a judge on Project Runway Junior (2015–2017) and Australia's Got Talent (2016). She also played the voice role of Hildy Gloom in the Disney XD animated series The 7D (2014–2016).

John Michael "Ozzy" Osbourne is an English musician and media personality. He rose to prominence during the 1970s as the lead singer of the heavy metal band Black Sabbath, during which period he adopted the nickname "Prince of Darkness".