The source continued: “I wasn’t sure if it was him at first, but his voice is so deep and distinctive.
“After all he’s been through, it is lovely to think he’s found someone new. They looked really happy together.”
One week earlier, Damian and Alison enjoyed a night out at The Alchemist’s Feast summer party at the National Gallery.
They posed for photographers while inside with Damian looking smart in a black suit and Alison donning white tailored trousers with a navy blouse.