It may be just a few days into the new year, but the stars have already been showing off some red-hot new looks. Click here to check out the best — and the worst — of the week in our first Who Looked Hot video of the year. See who makes it to number one in our coundown, which includes Mandy Moore in a sizzling party dress, and even an ultra-stylish couple or two. And as always, our editors’ picks help you get each celeb look for yourself. And don’t forget to stick around for our Not So Hot pick of the week, and find out which reality star’s New Year’s flashback left us a little less than in love. After you’re done, click here to get caught up on any episodes you may have missed.