10/04/2007 at 05:00 PM EDT
Former Growing Pains
star Tracey Gold and her husband are expecting their fourth son, the star's rep confirms to PEOPLE.
"She's thrilled and excited to have her fourth son," says her rep. "We're all looking forward to meeting this little guy."
was first to report that Gold is expecting.
Gold, 38, and her husband Roby Marshall, 42, are also parents to sons Sage, 10, Bailey, 8, and Aiden Michael, 3. The couple met in 1990, when he was a consultant on the TV movie Blind Faith
, which starred her Growing Pains
mom, Joanna Kerns.
Gold, who is currently three months pregnant, became a household name in the mid 1980s when she starred as middle daughter Carol Seaver on ABC's hit Growing Pains.
In the early 1990s, she went public with her battle against anorexia and, with the help of her then-boyfriend Marshall, overcame the disease.
The two were engaged in 1993 when Marshall proposed live in front of Gold and her family on ABC's Primetime Live.
They were married the following year.
Gold is currently on location in Los Angeles filming Solar Flare,
an independent action movie in which she plays a scientist.