The 50-year-old Hustlers actress was spotted working up a sweat with her fiance Alex Rodriguez, 44, at UFC Gym (which Alex owns) on Tuesday (August 20) in Miami Beach.
They were joined by Jennifer‘s 11-year-old daughter Emme (not pictured).
Jennifer donned a cream-colored sports bra with matching sparkly leggings.
Check out a video of Jennifer Lopez and Alex Rodriguez showing off their moves at the gym below! (via Alex‘s Instagram).