Robert Pattinson having fun without Kristen Stewart

Rob’s still having a great vacation — but we’re sure he’s wishing K-Stew was there with him!

Robert Pattinson may be separated by distance from his girlfriend Kristen Stewart, but he proved once again he can have a great time by himself after hitting up an Adele concert on Aug. 15!

Even though Rob, 25, and K-Stew, 21, were both seen drinking in Los Angeles and London respectively this weekend, their relationship remains strong as Rob shows you can still be in love and hang out separately!

This Rob sighting took place at the Greek Theatre, where many industry-types tweeted about encountering him.

But perhaps the most exciting message came from Ira Miller, who wrote backstage, “Robert Pattinson to the left of me and Christina Aguilera to the right of me at @OfficialAdele. #celebritywatching.” What a star-studded crowd!

Other A-listers among the star-studded crowd included The Glee cast, Jessica Simpson and fiancé Eric Johnson, America Ferrera and more!

Adele, 23, must be Rob’s favorite singer, as he’s seen her in concert before!

Apparently, Robert Pattinson isn t the only fan of this British belter. And he is a big fan, having been to an Adele concert earlier this year in Toronto. But he wasn t with Kristen Stewart at that gig either because he was away shooting Cosmopolis.

What you think, HollywoodLifers — do you love Adele’s music as much as Rob?