Jennifer Lopez & Casper Smart: Miami Mates!

Jennifer Lopez and Casper Smart have some fun in the sun as they hang out on a yacht on Friday (December 30) in Miami Beach, Fla.

The 42-year-old entertainer and Casper were last spotted out and about visiting a jewelry store in California before Christmas.

PHOTOS: Check out the latest pics of Jennifer Lopez

JLo spent Christmas with her two kids Max and Emme, or as she nicknamed the two on her Twitter account, “the coconuts.”

In case you missed it, check out Jennifer and her ex-husband Marc Anthony in this teaser trailer for their new reality show ¡Q’Viva! The Chosen.

FYI: Casper is wearing a David Yurman Dog Tag Necklace.