'Law & Order: SVU' Teases Kelli Giddish's Final Episode — and a Surprise Wedding — in New Promo

Kelli Giddish has a few more weeks of playing Det. Amanda Rollins — but the surprise wedding bells from her final episode are already ringing.

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A teaser for the fall finale of Law & Order: SVU shows Giddish, 42, wearing a white dress and walking into her apparent courthouse wedding.

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It appears she'll wed Assistant District Attorney Sonny Carisi (Peter Scanavino).

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The quick clip of the wedding shows Giddish hugging Mariska Hargitay's Det. Olivia Benson after she enters the courthouse in her gown.

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"You gonna start crying already, Liv?" Ice-T as Odafin Tutuola jokes.

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Other moments in the promo highlight some of Det. Rollins' best moments, even the first time she met Det. Olivia Benson.

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"I'm leaving SVU," Giddish's character says in a voiceover. Giddish's last episode will air on Dec. 8.

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