Is your family making you fat?

Hundreds are auditioning for a new reality TV show called "Losing It with Jillian."

The concept is one-part "Nanny 911" and one-part "The Biggest Loser," with a splash of "Extreme Makeover: Home Edition." It will air in 2010 and boasts producers with ties to heavy hitters including "Loser" and "Oprah."

"I'm definitely excited," Kitchens said. "I believe she's a strong person with a sincere heart to help people lose weight. It would be a dream come true."

The show is looking for families with kids, but couples can apply, too. The individuals don't need to be drastically overweight, but should have at least 25 pounds to lose.

People will be seen at the auditions in the order they arrive, and Thomas said she expects to speak with every family. If only one family member can make it, that's OK. Bring non-returnable photos of each family member.