Photo SpecialStars' Summer Lovin'

From J.Lo & Marc's Italian kiss to Kate & Lance's touchy-feely tennis game, see the couples adding sizzle to the season. By Serena Kappes

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CAMERON & PAUL

Cameron Diaz and British model Paul Sculfor engage in a serious lip-lock June 22 in West Hollywood. Since first being spotted together earlier that month, the actress and Jennifer Aniston's ex have been getting romantic all over L.A.: During a trip to the Getty Museum, "They could not stop kissing and touching each other," an eyewitness tells PEOPLE.

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