It's the One Direction anniversary, and ten years since the boys first took the X factor stage by storm. But which of their performances were the best? Here's a definitive ranking.

Five years ago, One Direction started off as contestants on the X Factor and now they’ve come full circle by performing on the show that turned them into superstars.

WATCH: One Direction's 'Perfect' Performance On X Factor Is EVERY Directioner's Dream 16 November 2015, 10:09 ...

In case I haven't shed enough tears over One Direction's impending hiatus, they had to go and do this. And by, "this," I mean One Direction performed "Perfect" on X Factor UK , simultaneously ...

One Direction rock. Literally. The boys brought the totally rawkin' title track of their new album 'Midnight Memories' to the stage of the season finale of Season 3 of 'X Factor' (Dec. 19 ...

Five years ago, One Direction started off as contestants on the X Factor and now they’ve come full circle by performing on the show that turned them into superstars.

Any big One Direction performance is likely to cause a meltdown with their fans. So it's hardly a surprise Directioners got incredibly excited when their idols performed on the X Factor live final ...

X FACTOR fans didn’t appreciate being duped into believing boy band One Direction performed live while mentor James Blunt apologised for a disastrous song choice.

Five years after being contestants on The X Factor, the members of One Direction returned to the U.K. show to perform their single “Perfect,” from the just-released album Made in the A.M ...

Simon Cowell has said he wants the One Direction lads to bow out in style at the X Factor final before they temporarily go their separate ways. The boys will be going on a break next year, but ...

That’s what One Direction would have you believe. Liam Payne called the X Factor performance “the last part of our first chapter.” ...