Nate Archibald and Chuck Bass play best friends on Gossip Girl.
It's only fitting, then, that co-stars, roommates and pals Chace Crawford and Ed Westwick are totally thisclose in real life as well!
The twosome showed up at a recent show by British pop stars The Ting Tings in New York, and the Daily News reports that they're inseparable.
"They were never more than a foot apart. It was freaky. If one moved two feet to the left, so did the other," said a fellow concert-goer.
The duo also chose to ignore the hordes of flirty girls trying to get their attention, says the spy: "They were only interested in each other."
Aww. Best buds. So cute!