By

Lauren Moraski /

CBS News/ December 10, 2012, 7:55 PM

Busy Philipps is pregnant

Busy Philipps attends theBaby2Baby Gala at The BookBindery on Nov. 3, 2012, in Culver City, Calif.

Busy Philipps attends theBaby2Baby Gala at The BookBindery on Nov. 3, 2012, in Culver City, Calif. / Getty

Busy Philipps is expecting a second baby. The 33-year-old actress revealed the news on Twitter, by posting a picture of her positive pregnancy test, with the tweet: "So this happened..."

Philipps and her husband, Marc Silverstein, are already parents to 4-year-old daughter, Birdie Leigh.

20 Photos

Baby bumps

"I only became a celebrity because I had a kid. Before I was pregnant nobody cared," Philipps has joked, reports People. "I joke to my agent that having a baby made my career."

Philips has starred in "Dawson's Creek" and "Cougar Town." She recently made a guest appearance on "Don't Trust the B.... in Apartment 23" and is also attached to the upcoming romantic comedy, "A Case of You," co-starring co-stars Peter Dinklage, Vince Vaughn, Evan Rachel Wood and Justin Long.

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