The photos show a shirtless Justin lounging with Emma by the hotel pool. Stone is wearing a bold red one-piece swimsuit.
The actors are both in the fashion capital for Louis Vuitton's resort 2019 show and were also spotted in the front row.
This isn't the first time Emma and Justin have sparked romance rumours, earlier this month they were seen leaving a Met Gala after-party together, reports People. They became close after working together on the upcoming Netflix series Manic.
