George Clooney and Elisabetta Canalis in Venice
09/09/2009 at 10:00 AM EDT
may not have wowed Venetian crowds with the oft-shouted-for kiss with new girlfriend Elisabetta Canalis
, but he did them one better: He sang for them.
When a technical glitch interrupted the Tuesday screening of the star's latest, The Men Who Stare at Goats
at the Venice Film Festival, Clooney, 48, entertained the audience with his rendition of the Neapolitan classic "O Sole Mio," traditionally used to serenade young couples.
Sure, it might've been more romantic if he'd sung it solely for Canalis, 30, but the Italian TV presenter seemed happy with the PDA she got – Clooney rarely unclasped his hand from hers, and the couple sipped champagne together when another technical problem interrupted the screening.
After the movie, the two went to a party Venice's Casino, where the pair were constantly whispering in each other's ears when Clooney wasn't trying to tackle a veal cutlet with his bandaged hand