Jenny Craig spokesperson Phylicia Rashad talks about her impressive weight loss and chimes in on Jessica Simpson making headlines over her fuller figure.

The former star of "The Cosby Show" has already lost over 20 pounds in 12 weeks and says her family has been supporting her all the way. "My goal is to feel lighter," Phylicia says of her weight loss objective.

As for Simpson's weight debate, she says the scrutiny on celebrities has worsened since her days on "Cosby." "It makes me wonder about the people who write such things. I wonder ... what kind of lives do they lead?"

"I'm not really interested in [Jessica's] weight. I'm not really interested in anybody's weight but my own," the actress said.

Watch the video to see more of Phylicia's new physique and get the "realistic" secret to her weight loss success.