Ryan Lochte's Fiancee Is Pregnant

Ryan Lochte's crappy 2016 is ending on a high note -- he just announced he's expecting his first kid with his Playboy model fiancee Kayla Rae Reid.

Lochte posted an underwater shot of him kissing Kayla's belly. Cute photo, for sure, but looks like Dad's already pressuring the kid to be a swimmer!

The couple's not revealing the due date yet, except to say it would be sometime in 2017 -- which we kinda figured out. We're not that bad at math.

Looks like Boomer Phelps is gonna have a swimming partner.