Ed Sheeran and Taylor Swift: The Hotel Room Hook-Up! >>Hollywood

Ed Sheeran is best known for his smash hit "The A Team."

But did Taylor Swift include this young British artist on her O-Face Team this week?

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That's the rumor being spread by E! News, as a source tells that outlet Sheeran arrived at Swift's hotel the night before this year's Brit Awards, took off straight for that singer's room and stayed there, "just the two of them, until around 4 a.m."

So? No big deal, right? Perhaps the two were just chatting or watching movies?

But Sheeran left the hotel looking "very happy," according to a witness, jumping into a vehicle Swift had used earlier in the day and looking "very pleased with himself."

What else needs to be said?

The musicians, of course, collaborated on Taylor's "Everything Has Changed," but an insider says they also collaborated "briefly" last spring. In a personal way. If you know what he means.

Both are friends with Harry