Catch POPSUGAR Now weeknights at 6/5 p.m. Central on TVGN! Special guests this week include Matt Damon [1], Imogen Poots, Valorie Curry, Toni Braxton, Michelle Monaghan, Melissa Fumero, Clare Bowen, Zac Efron [2], Miles Teller, and Michael B. Jordan! Plus, we'll be giving away a $250 Sephora gift card every day this week on POPSUGAR Now.

Here's how you can enter for a chance to win: Every day, we'll pose a question of the day on our show. Pay attention to the show for the answer, and once you know it, tweet it to @POPSUGAR using the #POPSUGARNow hashtag.

Today's Question: Which star topped our Grammys best-dressed list?

Check below for your TVGN channel.