Robert Pattinson "Was Clearly Enjoying the Music and in a Good Mood" at L.A. Black Keys Show

Sunday night Robert Pattinson got his groove on! The Twilight star joined a group of friends at the Sayers Club in L.A. to rock out to the Black Keys.

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Us Weekly reports, "Rob was definitely enjoying the music, getting more into it as the set went on. He cheered and clapped at the end of each song."

He "was clearly enjoying the music and in a good mood," the witness adds. "In between songs he would make comments or joke around with his friends."

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And Rob has good reason to be in a good mood lately. As Ok! magazine.com previously reported, he's back together with girlfriend Kristen Stewart and the two are trying to work things out.

At the show, the 26-year-old "seemed really happy and comfortable all night." The band stopped playing around 10pm and he stayed after to hang out with friends and chat wtih 98.7 FM DJ Kennedy.

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