The couple's 16-year-old rang in the New Year with French model Sonia Ben Ammar, also 16, and earlier this month he posted a sweet photo of them engaging in a sweet embrace on a beach on Instagram.
He has also been romantically attached to actress Chloe Grace Moretz, who he met up with earlier this week while she was in London promoting her new film "The 5th Wave".
"I think it's easier for me than Brooklyn's mum, you know? To see her little boy go out and date..," he said during a chat.
"Obviously for mums I think it's slightly more difficult with the boys but obviously once Harper starts (dating)... I don't even want to think about that at the moment," he joked.
