From slaying vampires to slaying motherhood. 🥹 #SarahMichelleGellar celebrated daughter Charlotte Grace’s birthday with a sweet tribute to her “best friend.”  The #BuffytheVampireSlayer alum and husband #FreddiePrinzeJr. share Charlotte and son Rocky. Swipe to see more family moments and tap the link in bio for the full story. | 📷: Sarah Michelle Gellar/Instagram; Michael Buckner/Variety via Getty; Phillip Faraone/Getty Images; Bruce Glikas/FilmMagic; Paul Hiffmeyer/ Disney Enterprises