'Modern Family' star Sofia Vergara back on the market Men around the world, rejoice. Sofia Vergara is single again after splitting with boyfriend Nick Loeb after more than two years together, The Post reports. The Colombian stunner and New York-based Loeb broke up over the weekend following a series of arguments, sources said. And, Monday, she attended the Met Ball alone. Sofia was confiding in friends at the ball that she and Nick have split. They have been fighting a lot recently and have been on the brink of splitting many times. It is not yet clear if they are over for good, but they are done as a couple for now," a source said. HOT SHOTS: Sofia Vergara sheds clothes for GQ Mexico. The actress, who wore Marchesa to Monday night's Metropolitan Museum of Art's Costume Institute Gala, got ready at a New York City hotel rather than at Loeb's apartment, and later attended an after-party with friends. Another source said Vergara and Loeb's relationship stumbled under the pressure of her growing fame and popularity. Her success on "Modern Family," and as host of "Saturday Night Live" -- as well as her obvious sex appeal -- has turned her into one of TV's biggest female stars. POLL: Which Vergara look is best? Other sources said Vergara and Loeb had been on the rocks for some time. Last month, the saucy sex symbol was seen with Loeb at an Upper East Side restaurant, where, "She looked miserable," sources said. Sofia looked beautiful, but she did not seem happy with him at all.