Sarah Michelle Gellar has expressed profound sorrow over the untimely death of her “Buffy the Vampire Slayer” co-star, Michelle Trachtenberg, who passed away at the age of 39. In a heartfelt tribute, Gellar shared a poignant quote from the series, underscoring the depth of her grief and the bond they shared.

Trachtenberg, best known for portraying Dawn Summers, Buffy’s younger sister, was found unresponsive in her New York apartment on February 26, 2025. The cause of death is currently under investigation, though initial reports suggest it may be related to complications from a recent liver transplant.

Gellar took to Instagram to honor Trachtenberg’s memory, posting a series of photos capturing their moments together both on and off the set. Accompanying the images, she quoted a memorable line from the show’s fifth season finale, “The Gift”:

This line, originally delivered by Gellar’s character, Buffy, to Dawn, resonates deeply, reflecting the challenges of life and the courage required to face them—a sentiment that now holds even greater significance in light of Trachtenberg’s passing.

The two actresses developed a close bond during their time on “Buffy the Vampire Slayer,” with their on-screen sisterhood translating into a real-life friendship. Their connection remained strong over the years, marked by mutual support and admiration.

The news of Trachtenberg’s death has elicited an outpouring of grief from the entertainment community. Co-stars and colleagues, including David Boreanaz, James Marsters, Blake Lively, and Taylor Momsen, have shared their condolences and memories, highlighting Trachtenberg’s talent, warmth, and the lasting impact she had on those around her.

As fans and friends mourn the loss of Michelle Trachtenberg, Sarah Michelle Gellar’s tribute serves as a poignant reminder of the enduring bonds formed through shared experiences and the profound impact of heartfelt words during times of sorrow.