A source close to the situation told the outlet that the cause of the split was the distance between them; Davidson lives primarily in New York, while Dynevor resides across the pond in England.

Because of their busy work schedules, the insider said it's been incredibly difficult for them to see one another. Plus, there are still travel restrictions in place due to the ongoing coronavirus pandemic.

"Pete and Phoebe's romance was a real whirlwind and from the start they were both totally committed. But as time has passed, it's become increasingly obvious it is going to be difficult to make this work," the source said.

"Phoebe has had back-to-back filming dates with Bridgerton in the UK. Meanwhile, Pete has been back in the US filming Saturday Night Live," they added. "Alongside that he has just started working on a new film, Meet Cute, with Kaley Cuoco."

The insider went on to say that the last time the two were together was at Wimbleton in July, where photographers caught them touting PDA while taking in the tennis tournament.

"Phoebe and Pete were last together in the UK in July but since he flew back to the States, he's not seen her. Obviously all the travel restrictions because of the pandemic have not helped," said the insider. "People can't just jump on planes and jet around the world when they want to. It has made everything more difficult."

Additionally, they noted, "It was pretty telling when Phoebe headed to Croatia with her mates this week rather than going to see Pete in America."

"It was wild while it lasted and they both really care for each other. But the distance has put a strain on them," the source added. "Their