'Brady Bunch' star takes weight challenge

BURBANK, Calif., July 16 (UPI) -- Former Brady Bunch star Maureen McCormick has signed up for the latest installment of the "Access Hollywood Weight Loss Challenge," NBC said.

The challenge was chronicled and split into two segments, airing Thursday and Friday nights.

McCormick, who says she has always struggled with her weight and began dieting when she played Marcia Brady on the 1970s sit-com, decided to get her health and fitness back on track with "Access Hollywood" along every step of the way, the network said in a news release.

"For me, a really big thing is proportions because I could eat and eat and eat until full," said McCormick, who has also battled depression and eating disorders.

The former actress weighed in at 155 pounds. Her goal is to get back down to 118 pounds, which is the weight she was at the end of her appearance on VH1's "Celebrity Fit Club" in 2007.

"I'm really, really frustrated that for two years I haven't done anything but literally eat and fill myself up at night," she said.