Lopez, 45, opted for a glamorous look while Casper wore more comfortable outfit.
The "I Luh Ya Papi" songstress flaunted major cleavage in a plunging, long-sleeved dress.
She sported pink eyeshadow and red lipstick. Her hair was tied up in half-high-ponytail. She completed her look with a dark grey bag, hop earrings and dark-red nails.
Casper, 28, meanwhile, donned a black sweatshirt over a grey tee, baggy pants and white shoes. He completed his look with a printed bucket hat.
In a video, Lopez and Casper kept silence while making their way out of the restaurant into a white car.