Justin Theroux sported a big smile while making his way to Jimmy Kimmel Live! on Thursday. The actor was quite the stud as he stepped out in LA — it came just one day after he revealed new details about his marriage [1] to Jennifer Aniston [2] on The Ellen DeGeneres Show. Earlier this month, Justin also stopped by Good Morning America and opened up about married life, saying, "It's fantastic. Something really does shift in a wonderful way." Shortly after, he and Jennifer made their red carpet debut as a married couple [3] at the Leftovers premiere on Oct. 3. Keep reading to see more from Justin's handsome outing, then check out his hottest moments [4]!