Jessie, 22, a professional bodybuilder from Rudd, Iowa, is one of the 13 houseguests competing in "Big Brother 11."CBS/JohnFilo - Monday, July, 13, 2009, 7:13 AM

Russell, 24, of Walnut Creek, CA is one of the houseguests competing in "Big Brother 11." Russell is a real estate broker who likes mixed martial arts.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Ronnie, 30, of Belpre, OH is one of the houseguests competing in "Big Brother 11." Ronnie is currently a student and collects Star Wars items.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Kevin, 29, of Chula Vista, CA is one of the houseguests competing in "Big Brother 11." Kevin works as a graphic designer.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Natalie, 24, of Gilbert, AZ is one of the houseguests competing in "Big Brother 11." Natalie is a Tae Kwon Do champion who also enjoys playing poker.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Michele, 27, of Pasadena, CA is one of the houseguests competing in "Big Brother 11." Michele is a neuroscientist. In her free time she browses the Internet for news.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Jordan, 22, of Matthews, NC is one of the houseguests competing in "Big Brother 11." Jordan is a waitress who enjoys partying with her friends.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Chima, 32, of West Hollywood, CA is one of the houseguests competing in "Big Brother 11." Chima is a freelance journalist who's currently taking care of her sick mother.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Lydia, 24, of Torrance, CA is one of the houseguests competing in "Big Brother 11." Lydia is a makeup artist. Tattoos, bowling, swimming, and yoga are a few of her interests.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Laura, 21, of Atlanta, GA is one of the houseguests competing in "Big Brother 11." Laura is a bikini model who loves being active. She likes cheerleading, kickboxing, running, and gymnastics.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Jeff, 30, of Norridge, IL is one of the houseguests competing in "Big Brother 11." Jeff is an advertising salesman who likes the outdoors and playing football.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Casey, 41, of St. Petersburg, FL is one of the houseguests competing in "Big Brother 11." Casey is a fifth-grade teacher by day and a DJ by night. His interests include music, his wife and two kids, and picking his nose.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM

Braden, 28, of Santa Monica, CA is one of the houseguests competing in "Big Brother 11." Braden works as a model/actor and enjoys surfing, fashion, talking to girls, and eating sushi.CBS/Sonja Flemming - Wednesday, July, 1, 2009, 11:1 PM