Pregnant US actress Sarah Michelle Gellar is expecting a boy, People.com reported Thursday. The former "Buffy the Vampire Slayer" star married actor Freddie Prinze Jr. in 2002. They have a 2-year-old daughter, Charlotte Grace. "They are thrilled that Charlotte will have a little brother," a source close to the couple told People.com. "They love their little girl more than anything in the world and know that love will only multiply." Gellar and Prinze co-starred together in the films "I Know What You Did Last Summer," "Scooby-Doo" and "Scooby-Doo 2: Monsters Unleashed." They have not revealed the anticipated due date of their second child. Gellar's pregnancy was first reported in April. Read more: http://www.upi.com/Entertainment_News/TV/2012/07/19/Sarah-Michelle-Gellars-second-baby-to-be-a-boy/UPI-30961342727282/#ixzz218fDIkFn