As 2013 comes to an end, we're left remembering all the amazing moments One Direction has had. From 1D Day to This Is Us and Midnight Memories, it has definitely been the boy band's biggest year ever!
Click through to see 1D's 20 best moments of 2013 (ranked in descending order), then let us know which moments make you the most proud in the comments below.
One Direction performs on Good Morning America.
One word: HOT.