VIDEO: DANCING WITH THE STARS Special Preview - Bristol Palin

DANCING WITH THE STARS - ALL STARS marks the first time prior contestants will return for another chance at winning the coveted mirror ball trophy for a very special All-Star season. From former champions to fan favorites, including a celebrity voted in by fans, the stars and their professional partners will return to the ballroom on national television during the season premiere of "Dancing with the Stars: All-Stars," TONIGHT, SEPTEMBER 24 (8:00-10:00 p.m., ET), followed by the premiere of "Dancing with the Stars the Results Show" on TUESDAY, SEPTEMBER 25 (8:00-10:00 p.m., ET) on the ABC Television Network.

Was there ever another Dancing star who coming back week after week after seemingly always being the underdog? We can't wait to see what Bristol the Pistol has in store for us as an All-Star.

Bristol Palin, 21 years old, was born and raised in Wasilla, Alaska. Bristol is the second child and oldest daughter of former Governor of Alaska Sarah Palin and her husband, Todd. Bristol and Levi Johnston's son, Tripp Easton Mitchell Johnston, was born in 2008.

Bristol is an author, speaker, and reality television personality. After she became a single mother at age 18, Bristol began to publicly advocate teenage pregnancy prevention, and is now a paid speaker on the subject of teen pregnancy. In May 2009, at age 18, Bristol worked with The National Campaign to Prevent Teen and Unplanned Pregnancy to inform young people about the negative consequences of teenage pregnancy.

In May 2009, Bristol was named a Teen Pregnancy Prevention Ambassador for the Candie's Foundation, a teen pregnancy prevention organization that is a division of the Candie's clothing brand. Her duties as a paid spokeswoman involved attending town hall meetings, public service announcements, and giving interviews on morning talk shows.

Bristol competed in the fall 2010 season of Dancing with the Stars and reached the finals, finishing in third place. In June 2011, Bristol and Nancy French released her memoir Not Afraid of Life: My Journey So Far. Bristol candidly discusses aspects of her personal life, including tensions with the McCain family and losing her virginity. The book was a New York Times bestseller.

Currently, Bristol is starring in a docu-series Life's a Tripp. The series follows Bristol as she adjusts back to normal routine in Alaska.