Jon Hamm, 50, kicked off the final weekend of summer with a steamy makeout session with girlfriend Anna Osceola, 33, in Pantelleria, Italy.
The lovebirds were photographed sharing a romantic smooch while swimming in the Mediterranean Sea, and each sported swimwear to soak up the sun.
Jon was shirtless and wore red swim trunks, while Anna looked super sexy in a green bikini top and pink bottom. SEE THE PHOTOS HERE. The couple looked so happy during their romantic swim.
At one point, they lovingly wrapped their arms around one another for a romantic embrace while in the water. Later on, the actors went diving into the sea off a small cliff, and then soaked up the sunshine even more when they laid out on towels on the rocks.
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