Sarah Michelle Gellar delighted fans with a series of throwback pictures in a sweet birthday message for former Buffy the Vampire Slayer co-star Seth Green.
MORE: Sarah Michelle Gellar celebrates big milestone in age-defying post
The actress, who appeared in the popular teen drama from 1997 until 2003, uploaded the pictures on her Instagram on Tuesday, writing in the caption: "Well @sethgreen, 36-plus years of friendship, three continents, goodness knows how many hair colours, and shockingly for Hollywood, only two marriages between us."
She added: "Sadly, this is the longest I've gone without a hug from you EVER. So on your birthday, this digital hug and trip down memory lane will have to do. Happy birthday my dear friend, I miss you madly."
Sarah Michelle Gellar and Seth Green have been friends for a number of years
Seth, who is also known for his roles in the Austin Powers film franchise and Family Guy, replied to the post: "You're truly the best. I feel so lucky to have you as a friend all this time. Such a consistently wonderful and inspiring human - love you my friend."
Plenty of fans flooded the comments section to echo the birthday message, and also took the opportunity to beg for a Buffy reunion. One person wrote: "Seriously, there needs to be a Buffy the Vampire Slayer return."
MORE: Sarah Michelle Gellar reveals struggle her children are facing and fans can totally relate
MORE: Buffy The Vampire Slayer's Nicholas Brendon arrested for domestic violence
Sarah and Seth have been friends for a number of years
A second person said: "Oz & Buffy!!! Happy birthday Seth Green." A third added: "Love that Buffy & Oz are friends in real life too," while a fourth wrote: "This is a friendship that needs to be protected."
Buffy the Vampire Slayer was huge back in its day and ran for seven seasons across its six year run and even sparked spin-off show Angel, starring David Boreanaz.
MORE: Sarah Michelle Gellar shares wedding day photo as she marks anniversary with Freddie Prinze Jr
As well as Buffy, Sarah, who has been married to fellow actor Freddie Prinze Jr. since 2002, also starred in films such as I Know What You Did Last Summer, Cruel Intentions, the Scooby Doo films and Veronika Decides to Die.
Like this story? Sign up to our newsletter to get other stories like this delivered straight to your inbox.