Hands down, our favorite trio of 2012 was Chris Brown, Rihanna and Karrueche Tran. Sometimes a couple, other times “just friends,” it was hard to keep up with who was Chris’ main chick this year. Were Chris and Rihanna on a Christmas date at the Laker game or maybe they both just like basketball? We’ll never know. Here are some of our favorite Instagram moments this sizzling celebrity menagerie gave us.