The pair, joined by her BFF Hailey Baldwin, was spotted hanging out together on a daybed on the beach in Montauk and hit Surf Lodge on Friday and again Saturday.
“It looks like the beginning of a new romance,” said one spy.
Another tells us, “They weren’t all over each other, but they were inseparable. Kendall was hiding under a hoodie, and they wouldn’t allow anyone to take their picture.”
The Los Angeles Clippers star, 28, has a thing for models, having previously romanced Sports Illustrated beauty Kate Upton.
Griffin has a son named Ford Wilson Cameron-Griffin and a daughter named Finley Elaine Griffin with his former girlfriend Brynn Cameron.