Jessica Biel and Justin Timberlake Show Off Incredible Beach Bods on Caribbean Vacation

The super fit couple was heating up the water!

Jessica Biel and Justin Timberlake make a super fit couple!

The Illusionist star rocked a black bikini as her husband showed off their toned abs and board shorts on Thursday for the couple's Caribbean on vacation.

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The R&R is certainly welcome for the couple, one month after their four-year wedding anniversary -- and the two of them have definitely been showing lots of affection!

Earlier this month, the 34-year-old actress got a visit from her husband, 35, on the set of her upcoming move, Shock and Awe, where they packed on the PDA in New Orleans, Louisiana.

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Check out the video below for sweet moment.