Zac Efron Girlfriend 2014 Update: Source Warns Halston Sage To ‘Keep An Eye’ On ‘Neighbors’ Actor Because Of His Playboy Tendencies

Following Zac Efron's rehabilitation stint, his fans cannot help but speculate about Zac Efron's girlfriend 2014 update. After all, 'Mirror, Mirror' actress Lily Collins was previously rumored to have been a good influence towards the actor's love life and personal endeavors.

Now that the 'City of Bones' actress is still being linked to her former beau Jamie Campbell-Bower, the 'That Awkward Moment' actor is reportedly seeing Halston Sage. The blonde beauty recently made headlines for her split with 'Glee' star Chord Overstress. Will she again nurse a broken heart with Efron?

One Hollywood Life insider warns Zac Efron's girlfriend to "keep an eye on him" because of his tendencies to be overly friendly with girls: "Better keep an eye on him if she wants it to work because his actions would make any other girl very leery about pursuing a relationship further."

The source likewise provided an example of Efron's conquest: "The girl he kisses at the MTV Movie Awards on stage was on his mind afterwards as well. He kept flirting with her after the segment, even holding her hand on the way to the back and rubbing her back."

It has been previously reported that Sage and Efron developed a close relationship while working on the upcoming comedy flick 'Neighbors'.  Efron and Halston's characters even shared a kiss in one of the movie's scenes.

Sage's friends are reportedly happy because Efron's very "sweet". While the couple has not issued any confirmation, they have been spotted watching a Lakers game at the Staples Center in Los Angeles, California.

Apart from Efron and Overstreet, the 20-year-old former Nickelodeon actress likewise dated Big Time Rush crooner James Maslow.