(L-R) Leymah Gbowee of Liberia, Ellen Johnson Sirleaf President of Liberia and Tawakkol Karman of Yemeni, joint winners of the Nobel Peace Prize, pose during the Nobel Peace Prize Award ceremony at Oslo City Hall on December 10, 2011 in Oslo, Norway. (Photo by Nigel Waldron/Getty Images)

The sun rises over Auckland City during the TelstraClear Challenge on December 11, 2011 in Auckland, New Zealand. (Photo by Sandra Mu/Getty Images)

Competitors jump into the water during the Malinowski Mens 3000m Steeple during the 2011 Zatopek Classic at the Victorian Athletics Centre on December 10, 2011 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

Lamont Peterson celebrates with the belt after defeating Amir Khan during the Capital Showdown: Khan vs. Peterson WBA/IBF World light-welterweight title bout at Washington Convention Center on December 10, 2011 in Washington, DC. (Photo by Al Bello/Getty Images)

Musician Taylor Swift attends the annual Nashville Symphony Ball at the Schermerhorn Symphony Center on December 10, 2011 in Nashville, Tennessee. Swift, a 4-time GRAMMY winner, was honored with the Nashville Symphony's prestigious Harmony Award, recognizing her for exemplifying the unique harmony between the many worlds of music that exist in Nashville, and her significant contributions to the development and appreciation of musical culture. Earlier this month Swift was feted by Billboard magazine as their 2011 Woman of the Year, the youngest artist ever to receive this top honor. Last month she won Artist of the Year at the American Music Awards and was named Entertainer of the Year by the Country Music Association. (Photo by Royce DeGrie/Getty Images)

Actress Shailene Woodley poses during a portrait session at the 8th Annual Dubai International Film Festival held at the Madinat Jumeriah Complex on December 10, 2011 in Dubai, United Arab Emirates. (Photo by Andrew H. Walker/Getty Images for DIFF)

Participants dressed as Santa Claus take part in the Great Edinburgh Santa Run on December 11, 2011 in Edinburgh, Scotland. Around a thousand people took part in the annual fundraising event, with all money raised being donated to the charity “When You Wish Upon a Star”. (Photo by Jeff J. Mitchell/Getty Images)

Guy Mercer of Bath in a scrum during the Heineken Cup match between Bath Rugby and Leinster at Recreation Ground on December 11, 2011 in Bath, England. (Photo by Scott Heavey/Getty Images)

U.S. President Barack Obama, first lady Michelle Obama (L) and daughters Malia Obama (R) and Sasha Obama (2L) walk from the White House across Lafayette Park to St. John's Church for Sunday services December 11, 2011 in Washington, DC. Obama stance on faith was attacked in a commercial by Rick Perry, claiming he has a “war on religion”. (Photo by Mike Theiler-Pool/Getty Images)