Alex Rodriguez and Cameron Diaz
07/29/2011 at 03:00 PM EDT
After sunning and sailing around Miami on a yacht, Alex Rodriguez
and girlfriend Cameron Diaz
had a waterfront lunch to celebrate the New York Yankee slugger's 36th birthday
. "They sat near the water at Smith & Wollensky in Miami Beach and had a great time," a source tells PEOPLE of the al fresco
and fiancé Eric Johnson
enjoyed a cozy afternoon with his parents at James Beach in Venice, Calif. A scruffy Eric drank a beer and Jessica had a cocktail with a lime wedge. "They looked adorable. Eric had his arm around Jessica as they sat at the bar. And they were taking cute photos on their phones," an eyewitness tells us.
and hubby Nick Offerman
(of Parks & Recreation
) shared a lovely dinner with Patricia Clarkson
on the patio at West Hollywood's Chateau Marmont
. The trio chatted all night – and Mullally's distinctive laugh rang out over the patio. The ladies were wrapped in scarves and seemed "upbeat and bubbly" during their meal, according to an onlooker. Says the onlooker: "It definitely appeared like they were old pals catching up."
Quirky couple Amber Tamblyn
and comedian David Cross
joined two friends on the patio at Oscar's Cerveteca in Venice, Calif., for drinks – beer for him, rosé for her – and casual conversation. The group chatted for hours, and the couple sat side by side, often joking around with each other. Before heading out, the four friends split the bill.
By JENNIFER GARCIA, LINDA MARX and AILI NAHAS