Sarah Gellar reunites with 'Buffy' co-star Alyson Hannigan for daughter's birthday

Sarah Michelle Gellar recently reunited with her former 'Buffy the Vampire Slayer' cast-mate Alyson Hannigan in Santa Monica, to celebrate the third birthday party of the 41-year-old actress' daughter, Keeva.

The 38-year-old actress posted a picture from the get together captioning it, "So this girl (#AlysonHannigan) and her husband (#AlexisDenisof) know how to throw a party," reported People Magazine.

Paying homage to the hit series, 'The Crazy Ones' actress said that 12 years ago she said goodbye to a friend, and it was an incredible journey that she is incredibly proud of.