Kelli Giddish, who plays Detective Amanda Rollins on 'Law & Order: Special Victims Unit,' will bid farewell to the show in a heart-warming episode. The season's upcoming episode will feature Rollins walking down the aisle to marry Assistant District Attorney Dominick Carisi, played by Peter Scanavino. Fans have been rooting for their relationship and hoping for a happy ending. The makers have delivered just that, giving viewers closure as Giddish leaves the show while heading to the courthouse for a joyous occasion. NBC has released first-look images from the episode which airs on Thursday.