Sarah Michelle Gellar ruled the '90s playing a badass, vampire-slaying feminist on the beloved TV series Buffy the Vampire Slayer. Since then, the 39-year-old actress has gone on to marry fellow actor Freddie Prinze Jr., and the two are now parents to their adorable children, Charlotte and Rocky. A lot has changed since Sarah made her 1997 TV debut as Buffy Summers (she was just 19 years old back then!), but one thing that has remained the same is her timeless look. Keep reading to see SMG's flawless Hollywood evolution over the years.