Sarah Michelle Gellar

Tori Spelling and Sarah Michelle Gellar attend the 4th Annual Santa’s Secret Workshop Benefiting LA Family Housing at Andaz Hotel on December 6, 2014 in Los Angeles, California. (Photo by Tiffany Rose/WireImage)

Sarah Michelle Gellar

Actress Sarah Michelle Gellar attends the Splendid Holiday Book Drive Kick-Off with Milk and Bookies at the Splendid Boutique on December 4, 2014 in Santa Monica, California. (Photo by Michael Buckner/Getty Images for Splendid)

Sarah Michelle Gellar

(L-R) Actress Michelle Gellar, actress Tiffani Thiessen, actress Garcelle Beauvais and actress Malin Akerman attend the Splendid Holiday Book Drive Kick-Off with Milk and Bookies at the Splendid Boutique on December 4, 2014 in Santa Monica, California. (Photo by Michael Buckner/Getty Images for Splendid)

Sarah Michelle Gellar

Actress Sarah Michelle Gellar (L) and actress Malin Akerman attend the Splendid Holiday Book Drive Kick-Off with Milk and Bookies at the Splendid Boutique on December 4, 2014 in Santa Monica, California. (Photo by Michael Buckner/Getty Images for Splendid)

Sarah Michelle Gellar

Actress Sarah Michelle Gellar attends the Splendid Holiday Book Drive Kick-Off with Milk and Bookies at the Splendid Boutique on December 4, 2014 in Santa Monica, California. (Photo by Michael Buckner/Getty Images for Splendid)

Sarah Michelle Gellar

Sarah Michelle Gellar arrives at Specsavers Fashion Show 2014 at Pier One Hotel, Sydney Harbour Bridge on October 22, 2014 in Sydney, Australia. (Photo by Mark Metcalfe/Getty Images)

Sarah Michelle Gellar

Sarah Michelle Gellar arrives at Specsavers Fashion Show 2014 at Pier One Hotel, Sydney Harbour Bridge on October 22, 2014 in Sydney, Australia. (Photo by Mark Metcalfe/Getty Images)

Sarah Michelle Gellar

Actress Sarah Michelle Gellar attends Mattel’s 5th annual Party On The Pier at Santa Monica Pier on October 5, 2014 in Santa Monica, California. (Photo by Paul Archuleta/FilmMagic)

Sarah Michelle Gellar

Actor Sarah Michelle Gellar holding her godson attend Mattel’s 5th Annual Party On The Pier Hosted By Sarah Michelle Gellar at Santa Monica Pier on October 5, 2014 in Santa Monica, California. (Photo by Michael Bezjian/WireImage)

Sarah Michelle Gellar

Actors Sarah Michelle Gellar and Mark-Paul Gosselaar shoot hoops at Mattel’s 5th Annual Party On The Pier Hosted By Sarah Michelle Gellar at Santa Monica Pier on October 5, 2014 in Santa Monica, California. (Photo by Michael Bezjian/WireImage)

Sarah Michelle Gellar

Actress Sarah Michelle Gellar arrives at the Hollywood Bowl Opening Night and Hall of Fame Inductions event at the Hollywood Bowl on June 21, 2014 in Hollywood, California. (Photo by Amanda Edwards/WireImage)

Sarah Michelle Gellar

Actress Sarah Michelle Gellar attends the Television Academy’s 23rd Hall of Fame induction gala at Regent Beverly Wilshire Hotel on March 11, 2014 in Beverly Hills, California. (Photo by Jason LaVeris/FilmMagic)

Sarah Michelle Gellar

Unilever Project Sunlight ambassador Sarah Michelle Gellar calls ACTION! to create a brighter future for children on the Yellow Carpet presented by Unilever Project Sunlight during the 2014 Film Independent Spirit Awards at Santa Monica Beach on March 1, 2014 in Santa Monica, California. (Photo by Mark Sullivan/WireImage)

Sarah Michelle Gellar

Robin Williams and Sarah Michelle Gellar arrive at the CBS/CW/Showtime Television Critic Association’s summer press tour party at 9900 Wilshire Blvd on July 29, 2013 in Beverly Hills, California. (Photo by Gregg DeGuire/WireImage)