J. Lo and Marc Anthony. Sniff. Kim Kardashian and Kris Humphries. Chin wobble. Demi and Ashton, no last names necessary. Sob! So many celebrity breakups this year, it’s almost as if it’s impossible for love to last in Tinseltown. But let’s stop being negative. Plenty of fun, new couples were formed in just the last few months — here’s a look at 12 couples to watch in 2012.