From dusk to dawn, celebs were busy uploading pictures to Twitter this week. They’re obsessed with sharing their lives with us — and quite frankly, we’re obsessed with seeing how fabulous yet normal their lives are. Check out Brandy with pal Monica backstage at “DWTS,” John Legend with Stephen Colbert, Tank and Ginuwine’s man-sandwich and more… Isn’t it great to see Brandy and Monica together again?