Reality star Kim Kardashian has topped a new list of the most-searched celebrities online.

The fashion mogul, who is dating Kanye West, has wrestled the title from last year's (11) winner Justin Bieber to become Bing.com's most searched person of 2012.

The Baby hitmaker falls to second, while other superstars making the top 10 include Rihanna, Bieber's rumoured ex-girlfriend Selena Gomez, Nicki Minaj, and Taylor Swift.

Also receiving special mentions were Beyonce and Jay Z, whose baby arrival was crowned the most-searched celebrity event of the year, followed by the birth of Jessica Simpson's daughter Maxwell, and Whitney Houston's death.

Additionally, the U.S. presidential election, the London Summer Olympic Games, and South Korean rapper Psy's Gangnam Style music video all made the list in the category of most popular news stories.