The celebration continues! Since it's One Direction's four year anniversary, we've rounded up super rare pics of the guys. From hilarious throwback photos of 1D looking younger than you've ever seen them to seriously regrettable hairdos, you won't be able to stop laughing or awwing.

Click through to see 20 1D pics you probably never knew existed, then let us know which ones you love most in the comments below.

Love J-14? Be sure to subscribe to our YouTube channel for fun, exclusive videos with your favorite stars.