She stars on a nerdy show, he played a superhero—it was almost match made in heaven for Kaley Cuoco and Henry Cavill.
Blake Lively and Leonardo DiCaprio had the most A-list summer fling ever when they spent most of July 2012 flitting around France together.
Taylor Swift and Harry Styles lasted from Thanksgiving to New Year's 2012. Hey, the holidays are tough on relationships.
It's their 72-day marriage that everyone remembers, but the courtship of Kris Humphries and Kim Kardashian was pretty quick, too. They only dated for seven months before they got engaged.