A woman rides a mechanical bull before participating in the 4th annual Running of The Bulls October 15, 2011 in Cave Creek, Arizona. (Photo by Joshua Lott/Getty Images)
Miranda Kerr attends the unveiling of the 2011 Fantasy Treasure Bra at Victoria's Secret, Lexington Avenue on October 19, 2011 in New York City. (Photo by Astrid Stawiarz/Getty Images)
A Thai woman walks through the deep flooded streets October 21, 2011 in Pathumthani on the outskirts of Bangkok, Thailand. (Photo by Paula Bronstein/Getty Images)
Queen Elizabeth II (as Princess Elizabeth) writing at her desk in Windsor Castle, Berkshire. (Photo by Lisa Sheridan/Studio Lisa/Getty Images). 30th May 1944
Sumatran tiger Jumilah is seen with one of her cubs on display at Taronga Zoo on October 25, 2011 in Sydney, Australia. The Sumatran tiger cubs, born in August to mother Jumilah, will meet the public for the first time this week. (Photo by Mark Kolbe/Getty Images)
A model wearing a Maxime Rappaz design, winner of the Annabelle Award, walks the runway during the second day of the Charles Voegele Fashion Days on November 10, 2011 in Zurich, Switzerland. (Photo by The Image Gate/Getty Images for IMG)
NEW YORK - SEPTEMBER 19: Aisha Tyler attends Worldwide Launch of 'Gears of War 3' for Xbox 360 at Best Buy Theater on September 19, 2011 in New York City. (Photo by Jemal Countess/Getty Images for Xbox)
DUNEDIN, NEW ZEALAND - FEBRUARY 27: Dan Sims of Auckland clears a jump during the National Downhill Mountainbike Championships on Signal Hill, February 27, 2011 in Dunedin, New Zealand. (Photo by Phil Walter/Getty Images)