Sarah Michelle Gellar changes for her Prinze

Sarah Michelle Gellar has changed her signature three-part name.

The former "Buffy the Vampire Slayer" star has taken her husband Freddie Prinze, Jr.'s last name in a romantic gesture for their fifth wedding anniversary, reports Us Weekly.

"She officially changed her name to Sarah Michelle Prinze," says an unknown source"On their anniversary, she showed [Freddie] her new driver's license. It was so sweet."

The former Gellar and Prinze met while filming 1997 horror film "I Know What You Did Last Summer," but didn't begin dating till three years later. They married in Mexico on September 1, 2002.

Her name will be the only change to her married life for now. According to Maxim, the 30-year-old star isn't ready to have children anytime soon.

"You can't be selfish and have a child," she told the lad mag. "Right now I want to live my life and have fun. I want to go sit in my Jacuzzi and drink wine all night."

She appears on the cover and in an interview for Maxim's December issue.

Her film resume includes "Scream 2," "Cruel Intentions," "The Grudge," "The Scooby Doo" films and "Southland Tales," which is currently in theaters and costars Dwayne "The Rock" Johnson and Mandy Moore.