Jennifer Lopez grooves it up during Super Bowl rehearsals.

Looking sensational at 50!
Move your body, girl! Jennifer Lopez flaunted her rock hard abs as she practiced choreography on Monday for her upcoming Super Bowl Halftime performance.

Her body is insane. I'm going to hit the gym hard starting Boxing Day. Christmas is four hours away here in the UK. I'm going to enjoy a full Christmas dinner and a glass of wine and just pig out a little first. Jeeez. I hate this woman soooo much, lol. The footage was proudly shared by her fiance Alex Rodriguez. She will be the co-headliner next February, alongside Shakira. After starring in 'Hustlers,' one of the most talked about films of the year, J.Lo is ready to start 2020 off with a bang!

Jen recently talked about her Super Bowl rehearsals during an interview with CBS: