Jennifer Lopez shows off her toned arms in black bodysuit alongside beau Alex ...

She recently completed a 10-Day diet and may be going for round two.

But Jennifer Lopez looked to be in perfect health as she was spotted out with her beau Alex Rodriguez in Miami on Thursday.

The 49-year-old natural stunner showcased her toned and tanned arms in a black bodysuit tucked into a chic pair of white pants.

Stunner: Jennifer Lopez, 49, was spotted in Miami on Thursday

Stunner: Jennifer Lopez, 49, was spotted in Miami on Thursday

Daring to impress, the World Of dance creator looked every inch the movie star in her sophisticated ensemble.

She kept her trademark brunette tresses long and loose as they cascaded over her petite shoulders.

Her 43-year-old beau cut a dapper figure in a classic suit and tie.

Showcase: She showcased her toned and tanned arms in a black bodysuit tucked into a chic pair of white pants

Showcase: She showcased her toned and tanned arms in a black bodysuit tucked into a chic pair of white pants

Impressive: Daring to impress, the World Of dance creator looked every inch the movie star in her sophisticated ensemble

Impressive: Daring to impress, the World Of dance creator looked every inch the movie star in her sophisticated ensemble

Impressive: Daring to impress, the World Of dance creator looked every inch the movie star in her sophisticated ensemble

Beau beauty: Alex Rodriguez cut a dapper figure in a classic suit and tie

Beau beauty: Alex Rodriguez cut a dapper figure in a classic suit and tie

Alex and J Lo recently brought their Instagram followers along for the ride as they endured an extreme 10-day no-carbs, no-sugar diet earlier this month.

And just weeks after completing their strict regime, it looks like the A-list couple is cutting back once again, at least according to an eagle-eyed insider who spoke to Page Six after seeing the pair at a University Of Miami baseball game on Saturday.

During their stop by the ball field, which is named after the MLB alum, they were spotted turning down the famous Mark Light Shakes, causing many to think the duo are dieting again.

Back on the diet: Jennifer Lopez and Alex Rodriguez (above in January) are reportedly back on their extreme diet

Back on the diet: Jennifer Lopez and Alex Rodriguez (above in January) are reportedly back on their extreme diet

Extreme diet: Weeks after completing their extreme 10-day diet where they both abstained from sugar and carbs, the couple are back on the diet according to Page Six

Extreme diet: Weeks after completing their extreme 10-day diet where they both abstained from sugar and carbs, the couple are back on the diet according to Page Six

Extreme diet: Weeks after completing their extreme 10-day diet where they both abstained from sugar and carbs, the couple are back on the diet according to Page Six 

Both Lopez and Rodriguez completed the 10-day challenge at the end of January, after which they treated themselves to a massive feast.

Rodriguez shared a snap on

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