Photo: Neilson Barnard/Getty

Sarah Michelle Gellaris letting her longtime friend,Seth Green, how much she appreciates him on his 48th birthday.
On Instagram Tuesday, Gellar, 44, posted an adorable throwback of the twoBuffy the Vampire Slayeralums as children.
“Happy Birthday @sethgreen,” she wrote. “I’ve loved you a long time!!!
Green’s wife,Clare Grant, also commented with two red heart emojis.
Celebrating his special day in a separate post, Greenteased his upcoming General Motors Super Bowl adin which he reprises hisAustin Powers in Goldmembercharacter, Scott Evil.
“Happy birthday to me,” he captioned the brief clip.
Gellar noted in the post’s captions that the commercial “is the best.” Jokingly, she added: “@sethgreen So we should prob go to the game to support rt?”
Gellar and Green have been friends for nearly four decades. Whilecelebrating his birthday last year, the actressshared a videofeaturing several photos of them over the years.
“Well @sethgreen, 36 plus years of friendship, 3 continents, goodness knows how many hair colors, and shockingly for Hollywood, only two marriages between us 😂,” she wrote on Instagram. “Sadly this is the longest I’ve gone without a hug from you EVER.”
Added Gellar, “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.”
Sharing his appreciation alongside the post, Green called Gellar a “wonderful and inspiring human.”
“You’re truly the best,” he said in response. “I feel so lucky to have you as a friend all this time. Such a consistently wonderful and inspiring human — love you my friend.”
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Prior to their time onBuffytogether, the two actors also appeared ina 1985 commercialfor Duncan Hines. Gellar was 8 at the time while Green was 11.
Gellar previously shared a photo from that timeon Instagramand joked that the pair “have been causing trouble together for ever [sic].” That photo, which also included “childhood friends” in hashtag form, featured the pair in the same outfits as Gellar’s 48th birthday tribute to Green on Tuesday.
source: people.com