Sarah Michelle Gellar/Instagram ... Several celebrities commented with birthday wishes. Gellar's former Buffy costar, David Boreanaz, who starred as Angel in the hit teen supernatural show ...

Sarah Michelle ... who starred as Angel in the series Buffy the Vampire Slayer. His character was romantically involved with Buffy, whose sister was Dawn, played by Michelle.

Buffy the Vampire Slayer's Sarah Michelle Gellar ... The actress never appeared on Boreanaz's spinoff series Angel, unlike Gellar, Hannigan, and others, but in later seasons of Buffy her character ...

Actress Sarah Michelle Gellar has opened up about the tragic death ... David Boreanaz, who portrayed Angel on the series, shared on Instagram, "So very sad ... horrible news.

Buffy' lives on -- in Sarah Michelle Gellar's Instagram, and in a box of DVDs I still have at my parent's house (sorry Dad). The actress shared rare photos from Buffy on her Instagram Wednesday ...

At present, one of the best vampire shows of all time, Buffy the Vampire Slayer is being rebooted, with Sarah Michelle Gellar ...

Sarah Michelle Gellar is feeling ... David Boreanaz, who played Angel on Buffy and formed one of TV’s most memorable supernatural couples with Gellar, kept it sweet and simple, “Happy Birthday.” ...