1D stopped by Cadillac Jacks diner to surprise some unsuspecting fans and sing a few of their hits, of course.
The fans thought they were just there to watch the 1D Up All Night concert DVD, but got a special private acoustic concert.
How cute are they?
Watch the VEVO Go Show videos to see the boys singing What Makes You Beautiful:
Check out One Direction's VEVO Go Show behind-the-scenes video:
Win the One Direction Up All Night DVD!!!
Boy Bands After Hours
