Biggest Loser Season 10 Contestants : Photos & Bios

NBC has unveiled the 21 new Biggest Loser contestants who will battle the bulge and each other when the season 10 of the weight-loss reality competition returns Sept. 21, 2010.

The lineup includes a military wife and foster parent (Burgandy), the son of an alcoholic (Aaron), a former swimsuit model (Tina), a special education teacher (Brendan) and one of Beyoncé's background vocalists (Montina), among others.

The theme this season is "paying it forward." The trainers are going to help not only the contestants but also their communities get in shape and will feature seven different cities take on fitness challenges on the premiere.

Here is the list of contestants who will compete for the $250,000 grand prize under the training of Jillian Michaels and Bob Harper. (Check out photos and bios in the photogallery below)

• Jesse Atkins, 28, law clerk; St. Paul, Minn.
• Montina Cooper, 35, singer/songwriter; Houston
• Jessica Delfs, 27, bridal consultant; Tucson
• Richard Deroque, 54, pediatric physical therapist; Conway, Ark.
• Alfredo Dinten, 43, futures commodities trader; Staten Island, NY
• Sandy Dolan, 30, stay-at-home mom; Ft. Worth, Texas
• Brendan Donovan, 32, special education teacher; Boston
• Tina Elliott, 58, retired homemaker; Boring, Ore.
• Sophia Franklin, 28, high school counselor; Germantown, Md.
• Patrick House, 28, sales representative; Vicksburg, Miss.
• Adam Hurtado, 26, nonprofit manager; Santa Ana, Calif.
• Allie Ishcomer, 22, student; Moore, Okla.
• Burgandy Keel, 35, stay-at-home mom; Eagle Mountain, Utah
• Shanna Masten, 38, math teacher; Pima, Ariz.
• Lisa Mosley, 31, sales representative; Norman, Okla.
• Mark Pinkhasovich, 31, bartender and recruiter; East Brunswick, NJ
• Corey Pinkerton, 27, life coach; Fairbanks, Alaska
• Elizabeth Ruiz, 31, medical assistant; Lawrence, Mass.
• Aaron Thompkins, 29, graphic designer; Kent, Ohio
• Ada Wong, 27, project coordinator for high tech company; San Francisco
• Anna Wright, 39, administrative assistant and songwriter; Atlanta.

(Photo & Bio : NBC via LATimes)