Summer has never been hotter, as Hollywood proves skin is in!

"Extra" spotted a buffed and bronzed Matthew McConaughey fresh out of the water and sporting the wet look in Miami's famed South Beach.

Matthew's ex, the beautiful Penélope Cruz, outshined the sun in sizzling yellow while having a little fun along the French Riviera and St. Tropez.

Meanwhile, a stunning Kate Beckinsale showed off her killer curves poolside in Cabo San Lucas, while Kate Hudson was dressed to thrill in a bikini and wrap in Malibu.

Also in Malibu, Lindsay Lohan has continuously struck a summer pose, and Denise Richards strolled the sand and surf in a cowboy hat and cute cover up.