Ashley Olsen and Justin Bartha
08/18/2010 AT 06:00 AM EDT
and boyfriend Justin Bartha
, sharing a lobster dinner at New York's Blue Water Grill in Union Square. The couple were joined by friends, and they all chatted over oysters. Ashley and Justin were discreetly affectionate while hanging with their group. According to a source, the party was in great spirits, laughing and enjoying their seafood feast during the steamy summer evening.
On a break from filming Woody Allen's Midnight in Paris, Rachel McAdams
headed off to dinner with a friend in the City of Light. The actress, who sported a knit cap, peeked in art gallery windows as she walked down Avenue Matignon. Her destination? Jean-George Vongerichten's Market restaurant right off the Champs-Élysées.
and his buddies were enjoying a night out at their usual table, which was fully equipped with liquor, inside Teddy's in the Hollywood Roosevelt Hotel. All settled in, the actor and his friends were in prime people-watching position. The actor also puffed on a cigar, chatted up Stacy Keibler
and reunited with old pal Charlize Theron
, who was hanging out in the hotel's lounge before moving into Teddy's later in the night. She and Leo greeted each other with a hug and kiss on the cheek, then caught up over drinks before rejoining their separate groups.
and Kelly Osbourne
, dancing up a storm at The Colony in L.A. The siblings stuck to water and seemed focused on their dance moves and friends. Also there: Chris Pine
, who was having a boys' night out.
, dining with a female friend at Boa Steakhouse in West Hollywood. The pals sat opposite each other while the former Hills
star drank white wine, nibbled on a fish dinner and spent time texting on her phone.
By PEARL BARRACLOUGH, JENNIFER GARCIA and PETER MIKELBANK