Selena Gomez attended the American Ballet Theatre Gala in NYC along with Emmy Rossum and supermodels Coco Rocha and Karlie Kloss! Alber Elbaz was the man of the night — dressing everyone from Selena to Karlie in Lanvin. We've got the night's big highlights and the whereabouts of Justin Bieber amidst Selena's stylish week!

On Allison: BCBG dress, Vita Fede jewelry