HAPPY 24TH BIRTHDAY ZAYN MALIK!

Okay, so we know what you're all going to say. Zayn isn't in **One Direction anymore. We know.

But, at one time he was, and sometimes we still like to group the boys together because they were the most successful international boy band in like literally, forever. In light of Zayn's birthday, we've decided to list off all of the reasons why he's the hottest one of them all.

Of course, everyone has their favorite One Direction guy but for today, we're going to dedicate it to this Bradford bad boy.

Click through the gallery and check out all the reasons why Zayn is hotter than Harry Styles, Niall Horan, Louis Tomlinson and Liam Payne!