Leighton Meester on "Gossip Girl" vs. "Making History” Fashion

The lovely Leighton Meester returns to the YH Studio, this time around to fill us in on her glorious return to television in Fox's time travel comedy "Making History"! She tells us the best part of being back on TV and what time period she would travel back to in real life, plus she reveals a trend she's loving right now and plays a round of This or That: "Making History" Edition!