While Cooper was in Europe, Saldana rang in 2013 with friends and family in Miami.
After a private dinner at Catch, where her group dined on crispy shrimp, Cantonese Lobster and assorted sushi rolls, they headed to the James Royal Palm hotel pool area for champagne and dancing.
“She was hanging out with Miami Heat stars Dwyane Wade and his girlfriend Gabrielle Union, and Chris Bosh with wife Adrienne Bosh,” a source at the hotel tells PEOPLE. “She looked happy and was dancing quite a bit. She was smiling all the time.”
The Avatar actress, 34, split from her boyfriend of 11 years, Keith Britton, in November 2011.
Cooper, who was PEOPLE’s Sexiest Man Alive that same year, has been getting lots of awards buzz for Silver Linings Playbook. The actor, who turns 38 on Saturday, is nominated for Golden Globe and Screen Actors Guild awards for the role.
• With reporting by LINDA MARX and JENNIFER GARCIA