At the end of last month Justin Bieber and Hailey Baldwin reunited when they met up for dinner at Soho House, west Hollywood.
Now the duo have fueled rumours that something could be going on when they were spotted on holiday together recently.
Hailz and Biebz got very coupley-close on a jet ski ride. Now obviously Hailey could have just held on to Justin tightly because well, they are on a jet ski.
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Hailey, 21, held onto Justin as he took charge.
During their Miami jet ski fun they also each shared some selfies on their Instagram accounts which were really cute. Justin called Hailey 'the one and only'.
Previously the pair had quashed rumours that they're dating and insisted they're 'just friends'.
It was last year - after Justin went on a "double date" with Hailey, Chris Brown and Kendall Jenner - that the Biebz shared a snap with Hailey and claimed the speculation was 'crazy'.
He posted along his snap: "People are crazy. I'm super single and this is my good friend u would know otherwise."
After their date in May Hailey clearly had the best dinner at Soho House when she tweeted: "This is one of the best nights I've had."
Watch this space, we guess?