Jennifer Lopez: Celebrity Fight Night with Casper Smart!

Jennifer Lopez and her boyfriend Casper Smart hit the red carpet at Muhammad Ali’s Celebrity Fight Night XIX held at the JW Marriott Desert Ridge Resort & Spa on Saturday (March 23) in Phoenix, Arizona.

The 43-year-old entertainer looked great in a Maria Lucia Hohan dress and Christian Louboutin shoes.

PHOTOS: Check out the latest pics of Jennifer Lopez

“Thanks to @CelebFightNight & the #CHAMP for having me & @LyndaLopez08 here tonight,” Jennifer tweeted that evening.

20+ pictures inside of Jennifer Lopez and Casper Smart at the fight night…