Orlando Bloom's ex-wife, 32, was allegedly caught cosying up to the 25-year-old Snapchat CEO, who was recently dubbed the world's youngest billionaire by Forbes magazine editors, at a restaurant in Venice.

An eyewitness tells Us Weekly magazine, "They sat at the bar and were making out. They were really into each other."

Kerr's intimate date took place just a day before British actor Bloom was photographed stepping out with his new love interest, Brazilian model/actress Luisa Moraes, who he was snapped kissing during a meal at Zooma Sushi in Malibu, California on Sunday (28Jun15).

Kerr and Bloom split in 2013, but have remained close for the sake of their four-year-old son, Flynn.

The former Victoria's Secret model was previously linked to another wealthy businessman, fellow Aussie James Packer - the billionaire who is now dating Mariah Carey.