Kelly Osbourne at An Evening With Piers Morgan benefit during BritWeek in Beverly Hills

Kim Kardashian (in Azzedine Alaia), Kourtney Kardashian and Kelly Osbourne (in Twenty Cluny) at E! UpFront Presentation at Gotham Hall in New York

Kelly Osbourne at Nickelodeon’s 25th Annual Kids Choice Awards at the USC Galen Center in Los Angeles

Kelly Osbourne (in Kymerah), Nicki Minaj (in Nanette Lepore), Coco Rocha and Tinsley Mortimer at MAC Cosmetics Viva Glam Party

Kelly Osbourne at the 18th Annual Screen Actors Guild Awards at the Shrine Exposition Center in Los Angeles

Kelly Osbourne at the 69th Annual Golden Globe Awards in Los Angeles

Kelly Osbourne at the 63rd Primetime Emmy Awards at the Nokia Theater in Los Angeles

Kelly Osbourne at the screening of God Bless Ozzy Osbourne to benefit the Musicales Map Fund in Hollywood

Hilary Duff (in Diane Von Furstenberg), Selena Gomez, Britney Spears (in Herve Leger), Shenae Grimes, Victoria Justice (in Isabel Lu), Kim Kardashian (in Altuzarra), Kelly Osbourne at Southern Style St Bernard Project Event With Ambassador Britney Spears in Beverly Hills

Kelly Osbourne at God Bless Ozzy Osbourne Premiere during the 2011 Tribeca Film Festival in NY

Kelly Osbourne at the 19th Annual Elton John AIDS Foundation Academy Awards Viewing Party at the Pacific Design Center in West Hollywood

Kelly Osbourne at the 53rd Annual Grammy Awards at Staples Center in Los Angeles