Sarah Michelle Gellar and Michelle Trachtenberg starred in three seasons of "Buffy the Vampire Slayer" together and remained close following the end of the series.

Gellar played the protagonist in all seven seasons of the supernatural series. The cast also included Nicholas Brendon, Alyson Hannigan, Anthony Stewart Head, James Marsters, David Boreanaz and Seth ...

"The hardest thing in this world, is to live in it. I will be brave. I will live... for you," the actress shares after her co-star's death ...

The cast also included Nicholas Brendon, Alyson Hannigan, Anthony Stewart Head, James Marsters, David Boreanaz and Seth Green. 2001: Michelle Trachtenberg gives Sarah Michelle Gellar an award at ...

Rosie O'Donnell, James Marsters, and creators of 'Gossip Girl' have shared tributes to Michelle Trachtenberg following her unexpected death.

Trachtenberg's spokesman told DailyMail.com: 'It is with great sadness to confirm that Michelle ... her death. Gellar's social media messages comes after fellow Buffy star James Marsters paid ...

Sarah Michelle Gellar and other 'Buffy the Vampire' stars paid tribute to Michelle Trachtenberg, who tragically passed away ...

Michelle Trachtenberg's former "Buffy the Vampire Slayer" costar Sarah Michelle Gellar is looking back at their time together ...

The news of Michelle Trachtenberg's death at age 39 remains a shock to those who watched her career flourish. Her death has ...

Quoting lines from their show, in which the pair played sisters, the star wrote: 'Michelle ... at the age of 53. Gellar's post comes after fellow Buffy star James Marsters paid a heartfelt ...

Buffy The Vampire Slayer actress Sarah Michelle Gellar has paid tribute to Michelle Trachtenberg ... who played the witch Willow Rosenberg, and James Marsters, who played British vampire Spike. Buffy ...