November 13, 2015 07:00 PM

Jamie Chung and Bryan Greenberg are in newlywed bliss.

On Thursday, the cute couple enjoyed date night in Los Angeles at the Café Bustelo pop-up, where Greenberg performed a set of songs from his latest album, including “Everything Changes” and “Walk Away.”

“Jamie was rocking her head, singing along and tapping her feet,” says an onlooker. “She was also winking at him from the audience. It was super cute!”

At one point, Chung also found herself in a line of fans waiting to hug her new husband. “She didn’t even realize it!” adds the onlooker.

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The Once Upon a Time actress and the How to Make It In America star wed in front of their family and friends on Halloween in Santa Barbara, California.

“They are the happiest they’ve ever been,” says a source.

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