Buffy, the vampire slayer goes by a new name now!
Sarah Michelle Gellar is now Sarah Michelle Prinze!
Sarah surprised her hubby, Freddie Prinze, Jr. on their fifth wedding anniversary by taking his last name.
She legaly has taken her husbands last name instead of hers 'Gellar'.
According to Us Weekly, a source tells them: "She officially changed her name to Sarah Michelle Prinze. On their anniversary (September 1st), she showed Freddie her new driver’s license. It was so sweet."

As long as you're happy Sarah!