Grease is the word! Grease: Live aired on Fox Sunday, January 31, and social media basically exploded from the excitement. From Aaron Tveit's short shorts — whoa! — to Vanessa Hudgens’ poignant performance, Us Weekly Video breaks down the top five buzziest moments, as dictated by Twitter, Instagram, Facebook, Snapchat and more. Hudgens, 27, wowed with her performance as Rizzo — a feat she bravely pulled off just one day after the death of her father, Greg, from cancer.