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See Mariska Hargitay’s Jaw-Dropping Transformation Since Season 1 of ‘Law & Order: SVU’

For nearly two decades, Mariska Hargitay has been stealing the spotlight on Law & Order: SVU as Olivia Benson — but you couldn't tell by looking at back at old episodes!

The daughter of famous beauty Jayne Mansfield has not aged a day since the police procedural made its debut on NBC in 1999.

MORE: 16 Celebrities You Totally Forgot Guest-Starred on 'Law and Order: SVU'

Now, over 300 episodes later, the former Miss Beverly Hills USA is still the star of your favorite Sunday morning TV guilty pleasure, and we wouldn't have it any other way.

To see how much Mariska has changed since Season 1, click through the gallery below!