A newly engaged woman got a charming surprise when she accidentally sent a text to a legendary TV actress

LEFT: Sarah Michelle Gellar/Facebook RIGHT: 'Buffy' cast members Emma Caulfield, Nicholas Brendon, Alyson Hannigan, James Marsters, Sarah Michelle Gellar and Michelle Trachtenberg at the UPN sessions of the Television Critics Association summer press tour at the Ritz Carlton Hotel in Pasadena, Ca. 7/16/01. Photo by Kevin Winter/Getty Images

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A newly-engaged woman from Georgia who thought she had sent a text to her sister got a very pleasant surprise when the message failed to arrive at its desired location.

28-year-old Charlyn Willis from Savannah had just said yes to her boyfriend’s marriage proposal when she decided to share the news with her sister via a picture message selfie featuring her new ring — but she ended up texting TV star Sarah Michelle Gellar instead.

The story doesn’t end there. Gellar — who is perhaps most known for her role as Buffy the Vampire Slayer in the TV series of the same name — decided to share the image with her legions of fans on Facebook.

“This is #CharlynWillis,” Gellar wrote on her Facebook page. “She got engaged yesterday, and meant to text her sister, but in all the excitement, got me instead. Her sister didn’t respond, but I did. So please help me say congrats, to Charlyn. (And her fiancé whose name I don’t know).”

“Omg! Thank you Sarah!,” Willis replied in the comments section of the post. “His name is Dennis! Thank you so much for this. You’ve truly made my engagement experience even more of a life changer! Please know when we set a date, I’ll be reaching out to invite you, Freddie, and the kids!”

“I guess the best way to announce your engagement is to have a celebrity to do it for you,” Willis later wrote on Facebook.

Congratulations to the happy couple!

RELATED: A fellow royal prince snapped Prince Harry and Megan Markle’s stunning engagement photos

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