Cameron Diaz: Bikini Boat Ride with Alex Rodriguez!

Cameron Diaz shows off her bikini bod during a boat ride on Monday (July 25) in Miami Beach, Fla.

The 38-year-old actress was joined by her boyfriend, Alex Rodriguez, for the day of fun in the sun.

Earlier this week, Cameron was spotted eating dinner with Alex at Casa Tua restaurant in Miami, but the two left separately.

Cam‘s latest film, What to Expect When You’re Expecting, recently began filming in Atlanta. A casting call was recently placed asking for extras in the area to shoot scenes with Cam and her co-star Jennifer Lopez!

FYI: Cam is wearing a Bikini Thief “Zuma” swimsuit.