"It's very new," a source toldUs Weekly of the couple's alleged relationship. "They were set up through friends. They just started dating."
Representatives for the Dancing with the Stars pro, 33, and Upton, 21, declined comment when contacted. However, a source close to Upton, who has appeared on the cover of Sports Illustrated twice and is known for her curves, told Us they're just longtime friends and are not dating.
The pair was reportedly spotted having dinner at Scalinatella in New York City recently.
"They were very canoodly," an eyewitness told the magazine, adding that they were holding hands at the table. "It was a very intimate meal."