The trio, known as “Lady A” to their fans, will perform the holiday favorite, “Baby, It’s Cold Outside,” and their Grammy-nominated hit, “Love Don’t Live Here” on the show. Lead vocalist Hillary Scott had additional plans for her Big Apple visit. "I’ll definitely be doing some last-minute Christmas power shopping in the city,” she says. “I can’t think of a better way to end what has been a truly unbelievable year for us.” Lady Antebellum won the CMA Horizon Award this past year.