PHOTOS: Rihanna Mourns Her SNL Appearance

Was Rihanna not happy with her musical performance on Saturday Night Live this weekend? The normally flashy singer shrouded herself in black like a woman in mourning when she joined the SNL cast and crew at Abe & Arthur's restaurant in NYC's Meatpacking District for the late-night after party. Maybe she just felt bad for making her fans wait so long earlier in the week at her Hammerstein Ballroom show?