Only ones I can think of now are: wtf were u thinking dude?! #Greatest Showman #Rebecca Ferguson." Fans were immediately in a tizzy over Efron's rumored new girlfriend, and just a week later, he kept them guessing with more bait.

We're told Dylan has counseled him about the importance of sobriety and Zac doesn't blow him off.

The bad -- Zac is 26 but he's acting like an 18-year-old. "When Zac was 18 and 19, when most kids go crazy, he was kept on a short leash [also known as Vanessa Hudgens].

With a big awards show around the corner, this actor has a busy weekend ahead.

Naturally, fans will want to know if he'll have a romantic partner by his side.

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Ferguson is a 34-year-old Swedish actor who's appeared in films such as (art direction: Laura Ballinger), Ferguson plays Jenny Lind, a charismatic, wildly talented singer who mesmerizes audiences and dominates the stage in the 1850s.

Although Efron and Ferguson do not play love interests in the film, their real-life photos prove the two appear to have serious chemistry.

Zac Efron's rumored girlfriend in 2018 is his co-star Rebecca Ferguson.