Robert Pattinson and Kristen Stewart have been double-dating

According to Us Weekly magazine, Rob, 25, and Kristen, 21, joined his best friend Tom Sturridge, 25, and his actress girlfriend Sienna Miller, 29, for dinner on September 8. The foursome were spotted having drinks around 11 pm at London’s Groucho Club, a very private members only club and they “looked happy.”

Tom is reportedly “looking after” Kristen while she’s in London shooting Snow White and the Huntsman.

Meanwhile, Stewart is said to be doing everything she can to spend time with her boyfriend.

Sources say the Twilight actress will drop everything just to be by his side. Kristen was set to star in her mom Jules Stewart‘s directorial debut K-11 this summer, but she reportedly pulled out due to scheduling conflicts.

“Whenever she isn’t working, she’s jetting to whatever film location Rob is on,” a source says. “She basically drops everything when she can, to be with him.

“Rob and Kristen have been doing their best to make time for each other during their busy shooting schedules this summer. But now that Kristen is filming Snow White and the Huntsman in London, she barely sees him. Rob even attended the Teen Choice Awards in LA without her, and he’s been spotted out with buddies since Kristen is in his hometown.

“Kristen’s mom was hurt by her decision to pull out the movie.”

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