"There was just the two of them at the table together. They were whispering and all smiles. It definitely looked like they are more than just friends. They were there for a few days shooting," the New York Post quoted an eyewitness as saying.
Earlier this month, Shakira celebrated her 33rd birthday with long-time fiance Antonio De La Rua, while Nadal has been dating high school sweetheart Maria Francisca Perello, a.k.a. Xisca, for nearly four years.