WOW! This is quite a hat collection! Whose hats are they?
Hey M Girls!
We love it when celebs post pics on Twitter of their fave accessories! This cutie tweeted: "Just got home and look what @new_era_caps have sent me! Thank you soo much ! #iloveasnapback".
Hint: He's in the green "human bubble" in the "Live While We're Young" music video!
Think you got it?! Scroll down down for the big reveal!
These hats belong to Niall!
Did you guess correctly?