Zodiac / Splash News 1 / 8
Zodiac / Splash News 1 / 8

A month after giving birth, Sarah Michelle Prinze (nee Gellar) is back in shape.

The 32-year-old new mom - who welcomed daughter Charlotte Grace with husband Freddie Prinze Jr. on Sept. 19 - was photographed leaving the Anastasia Nail Salon in Beverly Hills Friday.

See who else is in Hollywood's new moms club!

No official word on how she shed the pounds, but the actress - who next appears in 2010 HBO dramedy "The Wonderful Maladys" - did 55-minute Pilates sessions up to three times a week with trainer Alycea Ungaro to stay fit while pregnant.

See more hot post-baby bods

How are she and her hubby liking parenthood?

See who is expecting next!

"They've been waiting for this for a long time," a pal recently told Us Weekly. "They are such a loving, solid couple."