By Anna Hecht
Updated Jan 23, 2016 @ 7:15 am
Mariska Hargitay LEAD
Credit: Getty Images (2)

From blonde pixies to cropped bobs and blunt bangs, actress Mariska Hargitay has tried almost every hairstyle imaginable. Through the years, the actress has proven she's a total hair chameleon—both on and off screen. Today, the Law & Order: Special Victims Unit star turns 52—and we couldn't wait to take a look back through her best beauty looks in honor of her birthday.

For the past 15 years, Hargitay has played Law & Order's Detective Olivia Benson and, during that time, her hair has changed more times than we can count. From short to long, blonde to brunette, Hargitay has set the beauty bar for the rest of us. To see for yourself, click through Hargitay's changing looks through the years.