Taylor Swift and Brittany Mahomes. Gotham/GC Images Taylor Swift has never been out of style during her New York City outings with Brittany Mahomes. The duo stepped out in chic looks to grab dinner with Swift’s pal Cara Delevingne at Nobu on Tuesday, January 23. Swift, 34, paired her long-sleeved little black dress, sheer black tights and black ankle boots with different gold accessories, including a chain belt and layered necklaces. The outfit’…