Per serving, some of these yummy drinks have more sugar than a Milky Way bar (and, let's be honest, who's stopping at one?). So we talked to nutrition expert Rachel Scherdin, MS, RDN, who recently gave the menu at the Four Seasons Miami a healthy makeover, and Nicole Silber, RD and founder of Nicole Silber Nutrition in New York City, to help us lighten up the most indulgent holiday cocktails.