The star of "MoneyBall" and "Parks and Recreation" is a big fan of Ellen's. In fact, he was on the Emmy red carpet wearing Ellen underwear! He was here with his co-star, Brad Pitt (maybe you've heard of him?), and the three had a jolly good time together.
- Troye Sivan Performs 'Heaven' Hillary Clinton's Debate Dance Moves Ellen's Printable Jack-o'-Lantern Stencils A Too Cute 4-Year-Old 'Juju on That Beat' Dancer 'Oops! My Water Broke' with Rachel McAdams & Justin Hartley