It's baby No. 2 for Sarah Michelle Gellar and Freddie Prinze Jr., and this time it's a little boy. The couple is "thrilled to announce that they welcomed a baby son into the world this past week" in LA, Gellar's rep tells Us. Gellar, 35, and Prinze, 36, already have a daughter, 3-year-old Charlotte Grace. This time around, "mother and baby are doing great," the rep says. "And Charlotte is VERY excited to be a big sister."