The show focuses on the life of Carnie Wilson, daughter of Brian Wilson, founder of the Beach Boys. The show takes place at Carnie's residence in the Los Angeles area, and viewers see some of the struggles she encounters as a game show hostess, entertainer, wife of Rob Bonfiglio, and mother of two young children, Lola and Luci. She reveals on the show that she has been overweight since the age of four, and the show focuses on her goal of losing weight. Former wrestler Diamond Dallas Page, Wilson's personal trainer and fitness guru, is featured on the show.
Wilson's diet program is featured on the show. She became a paid spokesperson for The Fresh Diet while on the show, and there was a controversy when Wilson gained weight while on that diet in 2010.