Actress Paris Hilton arrives for her birthday party at Tao Nightclub at the Venetian on February 20, 2010 in Las Vegas, Nevada..Paris Hilton Celebrates Her Birthday At TAO.TAO Nightclub at the Venetian.Las Vegas, NV United States.February 20, 2010.Photo by Steven Lawton/FilmMagic.com..To license this image (59684696), contact FilmMagic.com