With 21 seasons and almost 500 episodes, Law & Order: SVU has been one of the most influential shows on television to this day. How did actresses Mariska Hargitay and Kelli Giddish look like before the success of the series? We'll show you their much younger selves in the video above!

Mariska Hargitay and Kelli Giddish star in Law & Order: SVU

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"The dedicated detective who investigate these vicious felonies are members of..."