"They had a fixed menu and it seemed like they were celebrating something...
It looked like a party and it seemed celebratory." PHOTOS: Quickest celebrity engagements ever The same eyewitness told Us that the Oscar-nominated actor and Boyd were "all over each other," noting that "she was sitting on his lap" throughout the dinner.
Diane Lane is a well-known American actress whose career has flourished over the decades.
She has appeared in a wide range of films that include 'Unfaithful,' 'My Dog Skip,' 'The Perfect Storm,' 'Under the Tuscan Sun' and 'Man of Steel.'Diane Lane was born on January 22, 1965, in New York City.
"They were kissing each other a lot, had their arms around each other," the observer added.