Jennifer Lopez & Alex Rodriguez Work Up a Sweat in Miami

Jennifer Lopez lead the way as she and Alex Rodriguez leave the UFC Gym on Tuesday afternoon (February 19) in Miami, Fla.

The 49-year-old entertainer bared her abs in a crop top and gray leggings while the 43-year-old former Yankee showed off his massive biceps in a gray T-shirt as they spent the afternoon working up a sweat.

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Also spotted at the gym was Olympian Ryan Lochte.

Over the weekend, Jen was spotted flaunting her abs as she and Alex stepped out to do some shopping together.