They recently worked together on new movie The Greatest Showman, so you'd be forgiven for thinking Rebecca Ferguson is just another in a long line of his co-stars Zac Efron has been "linked to".
But have you seen him flirting with her on social media? Earlier this month the 30-year-old actor posted a picture of them together on set, with the caption: "A pic is worth a thousand words. Only ones I can think of now are: wtf were u thinking dude?! Look at her!!"
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This was followed by another photo yesterday of the pair in New York, and a heart-eye emoji.
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Rebecca, 34, is a Swedish actress who you might recognise from The Girl on the Train, Florence Foster Jenkins or Mission: Impossible — Rogue Nation.
We ship it, although this did recently happen with his Baywatch co-star, Alexandra Daddario. We're on to you, Efron.
Here's what Twitter had to say...
