Youtube! Jessica Biel paired a “White & Black Bikini” on tennis game with Justin in Puerto Rico

Jessica Biel has made a name for herself as an action heroine in movies like Blade:Trinity.

And the 30-year-old beauty has made no secret of her disciplined real-life work-out schedule to get in shape for her roles.

The results of the actress's sporty routine were on full display in Puerto Rico yesterday, as she hit the beach with fiance Justin Timberlake for a game of smashball.

Scroll down to watch Video . . . .

Having a ball: Justin Timberlake and fiance Jessica Biel hit the beach in Peurto Rico yesterday

The 7th Heaven actress, who will be seen next month in the much anticipated remake of Total Recall, wore tiny black bikini bottoms for her beach outing.

Off-screen athletes: The lovebirds looked to be more than at ease in the game of smashball (Read more, See more Pictures, and Watch Video)