The couple sang 'Will You Still Love Me Tomorrow' with a member of The Shirelles.
ET debuts an exclusive sneak peek from Wednesday's two-hour season 18 closer.
The 56-year-old actor says he and former co-star Mariska Hargitay love taking reunion pics just to 'ring the bell.'
Plus, the onetime 'Law & Order: SVU' star reveals whether he'd return for the series' finale one day.
Executive producers Julie Martin and Jonathan Starch and former showrunner Neal Baer revisit their favorite moments from 400 episodes of 'SVU.'
As the NBC drama reaches a major TV milestone, creator Dick Wolf, star Mariska Hargitay explain why 'SVU' still resonates today.
Marsika posted the meet-up on Instagram.
All we want for Christmas is a friendship like this!
The two told ET they were honored to work together again after nearly 20 years.
ET was on set for the actors' dream reunion nearly 20 years after starring on 'ER' together
When 'Law & Order: SVU' returns to NBC for its 18th season, Vice President Joe Biden will be one of the series' notable guest stars.
The former co-stars sparked rumors of a possible reunion, but Meloni quickly smacked them down.
More celebs are coming forward in support of Kesha amidst her legal battle with Dr. Luke and Sony.
Swift's squad is speaking out!
