"It was a lot of the cast and crew," a source who was also at the restaurant confirms to E!. "They were in the private back room and seemed in great spirits. Everyone had a really great time."
"They were sitting down and talking together most of the dinner," dishes our insider who snooped at what was taking place in the private digs. "Wherever Kristen was, he was, and visa-versa."
"[Rob and Kristen] were holding hands at some point, and when they got up to mingle with everyone for a bit he kept his hand on her back," adds the source. "They were really cute. And no one in attendance seemed surprised at their affection."
People.com On screen lovebirds Robert Pattinson and Kristen Stewart are making no secret of their real-life romance while shooting the latest Twilight installment.
The pair, along with the rest of the film's cast, are now filming Breaking Dawn in Baton Rouge, La., after a stop in Brazil, and have been seen getting cozy around the southern city.
Pattinson, 24 and Stewart, 20 recently joined about two dozen other cast members for a private dinner at Fleming's Prime Steakhouse and Wine Bar, but seemed to only have eyes for one another.
"Kristen and Rob were very couple-like," a restaurant source tells PEOPLE. "There was a lot of hand-holding, sitting next to each other. Everyone was talking around the room, but Kristen and Rob were just talking to each other, not really into the conversations everyone else was having."
At another outing to Cadillac Café, a strip-mall karaoke bar less than a mile from the studio where shooting is taking place, the two were spotted looking "very much a couple," says an onlooker.
"I mean, they weren't slobbering all over each other … but they sure looked like a couple and were talking with each other like a couple," the onlooker says. "They [seem like] a couple in love."
Well surprise, surprise! Not! lol Of course, they act like a couple because THEY are a couple.