“They were flirting all night and sipping champagne,” said a spy, “They were outside on the patio and left together.”
“Saturday Night Live” star Davidson and fiancee Ariana Grande ended their engagement in October after four months.
TMZ reported in December that he was spotted on a date at Carbone with a “mystery woman.”
Beckinsale divorced Hollywood producer Len Wiseman in 2016, and has most recently been linked to British comedian Jack Whitehall.
Reps didn’t immediately get back to us.