Sarah Michelle Gellar Shares Rare Photo of Daughter Charlotte, 17, Whom She Shares with Freddie Prinze Jr.

Getty Images Sarah Michelle Gellar just posted a very rare photo of her teenage daughter Charlotte Prinze! If you don't know, the 49-year-old Buffy the Vampire Slayer star and her husband, Freddie Prinze Jr, welcomed their first child 17 years ago! SMG captioned the post, "Yesterday was my best friend's birthday @charlotteprinze I'm not sure how you are 17 already. You may have been the child that made me a mom, but now you are the person that brings out the best in me. (Not to mention my biggest champion) Thank you . . . for being you." View this post on Instagram A post shared by . . .