A month prior to Venice, they attended a Formula 1 event together in England, so the Ines Rollout is officially international. As for Brad Pitt's current bucket hat phase…dunno what to tell you. If he's trying to make us forget that he's 60, well, it's almost working?
As for why they are going so hard all of a sudden, it's probably nothing. They're at fashion week! People wear outfits to fashion week and they get photographed in those outfits, especially if they are famous. He's got a movie to promote, she…works in the jewelry industry? They could be gearing up to announce an engagement. She's certainly dressing—and looking—much more like Meghan Markle and Amal Clooney, both of whom established themselves as Quiet Luxury Fashionistas before marrying men much more well-known than they were at the time. In the meantime, we'll be checking DeuxMoi!