Fans Really Want Zac Efron and Rebecca Ferguson to Date After Flirty Social Media Posts

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The two co-star in 'The Greatest Showman.'

Are Zac Efron and Rebecca Ferguson dating? Fans would certainly like the answer to be yes!

People are blowing up social media with speculation that The Greatest Showman co-stars are romantically involved after Efron shared a couple of flirty pics of the two this month. 

Efron first took to Instagram on Dec. 1 to share a photo of him and Ferguson in costume on set of the film, writing, "A pic is worth a thousand words. Only ones I can think of now are: wtf were u thinking dude?! Look at her!! #GreatestShowman #RebeccaFerguson." 

And on Dec. 10, Efron proved that he "finally looked" with a sweet pair of the two promoting The Greatest Showman. While the caption and photo seem innocent enough, the 30-year-old actor added a heart-eye emoji -- and sent fans into a frenzy. 

While Efron seems to have eyes for Ferguson, he couldn't help but gush about onscreen love interest in The Greatest Showman, Zendaya, while speaking with ET on Saturday. 

See what he had to say in the video below.