We're officially past the halfway mark in January, which means that if you're reading this, you've survived the heinous epidemic known as post-holiday blues. Congrats! We know it doesn't make the fact that another Saturday night is through any easier, so prep for the pain the best way possible: with a round-up of the week's most LOL and OMG celebrity moments — from the music video that's been on loop since it dropped to a famous prom date for hire. Boom! Sunday sadness, sayonara.