"She and Austin are solid, but letting Zac back in her world would be playing with fire — he was her first big love," the source claimed.
Indeed, Disney fans would be happy to see their favourite HSM pair reunite in real life but considering Hudgens's "animosity" towards Efron, "Zanessa" seems to be a far-fetched dream.
This clearly hasn't gone down well with 24-year-old Butler, whom 27-year-old Hudgens is dating currently.
Efron and Hudgens had first met on the sets of High School Musical, a Disney original, and had been dating since then.
Reportedly, Efron wants Vanessa back and is making secret calls to her. Earlier, Zac Efron, 28, split with Vanessa Hudgens, 27, in 2010.
The Dirty Grandpa actor recently became single after breaking up with girlfriend Miro and is currently shooting for the movie remake of popular show Baywatch.Zac Efron has recently broke up with model Sami Miro and is now trying hard to win his ex Vanessa Hudgens back.Not long back, there was news that Baywatch star Zac Efron had reportedly split from his model girlfriend Sami Miro citing work and long-distance reasons.Now, it seems the 28-year-old actor doesn't want to be all that lonely after all.
A source told the website: "Vanessa still has a lot of animosity towards Zac.
He treated her like crap at the end of their relationship."In addition, the actress/ singer also seems to be going pretty strong with her actor beau Butler.