Short hair is hot, hot, hot for spring 2012. Everyone seems to be doing some variation of short hair just as I'm growing my formerly short hair out.The latest A-lister to go short is Kate Winslet, pictured here, who adopted a modern version of the pixie in the pages of April's Vogue magazine. Other celebs to go shorter include Jennifer Aniston, who got a "demi-bob" in late February (check her new hairstyle here), while other celebs maintain their now signature short locks including Michelle Williams and British "It Girl" Alexa Chung.Get the scoop on The 5 Hottest Short Hair Trends for 2012 and find out which of these signature short hairstyles would look best on you.