Grammy preparations are in full swing as stars came out for the Delta Air Lines pre-Grammy party. Stealing the show was model turned actress Emily Ratajkowski who showed off her enviable figure in silver and black brocade shorts and a shoulder bearing black ribbed top. The brunette beauty was joined by gorgeous Nickelodeon star Victoria Justice who took the plunge in a black playsuit and towering heels.Talking dirty on the red carpet was R and B heartthrob Jason Derulo who was looking fly in a blazer and t-shirt combo. Sadly for his fans he managed to keep his top on for the whole evening. Also Boom Clapping her way into the event was Charli XCX who was looking Super Love-ly in a black and white lace number.