She has enjoyed one of the best years of her career yet following her critically lauded performance in Hustlers.

And Jennifer Lopez  cut a casual figure as she enjoyed a gym session with her fiancé Alex Rodriguez in Miami on Friday where she was also joined by daughter Emme, 11.

The singer, 50, displayed her lithe physique in a black, sleeveless top which she tied in a knot around her waist.

Out and about: Jennifer Lopez, 50, cut a casual figure as she enjoyed a gym session with her fiancé Alex Rodriguez, 44, in Miami on Friday where she was also joined by daughter Emme

Jennifer paired it with eye-catching brown and black leggings that featured an intricate pattern, along with a pair of black and white trainers.

Sipping on a smoothie, Jennifer also sported a large pair of sunglasses and accessorised with hoop earrings.

The Waiting For Tonight hitmaker completed her look for the day by styling her brunette locks into an updo.

Alex, 44, also kept it casual for the day in a black top and matching tracksuit bottoms while Emme wore a white jumper and grey shorts.

The singer and professional baseball player announced their engagement in March 2019 after two years of dating.

Casual: The singer displayed her lithe physique in a black, sleeveless top which she tied in a knot around her waist

Style: Jennifer paired it with eye-catching brown and black leggings that featured an intricate pattern, along with a pair of black and white trainers

They met back in 2005 at Shea Stadium when the Yankees played the New York Mets and in 2016 the baseball player called her and asked her to dinner.

Along with Emme, Jennifer also shares son Maximilian David with her ex husband Marc Anthony.

Meanwhile, A Rod has two daughters of his own, Ella Alexander and Natasha Alexander.

Jennifer has been busy as she prepares to play the halftime show at the big game at the Hard Rock Stadium in Miami February 2.

The On the Floor singer told Variety: ‘I think there’s not a musical artist in the world that doesn’t dream of performing at the Super Bowl … I want to bring everybody together in that moment.’

Busy: Jennifer has been busy as she prepares to play the halftime show at the big game at the Hard Rock Stadium in Miami February 2 (pictured in January 2020)