Ryan Gosling Eva Mendes Break Up 2014 Over Zac Efron? Former Rehab Drug Using 'Neighbors' Star Interested in Seriously Dating 'The Notebook' Star's Girlfriend Following Vanessa Hudgens Break Up

There have been several split rumors surrounding Eva Mendes and Ryan Gosling and it looks like Zac Efron may make the speculation a reality.

Despite Halston Sage dating rumors it looks like the actor is ready to pursue other women and it looks like the 40-year-old is one of his targets.

According to RadarOnline, a source revealed, "Zac has compiled a 'wish list' of eligible women - and Eva Mendes heads the list," adding, "Zac wants to date someone who's not intimidated by fame and who can challenge him intellectually."

The insider also revealed that although the actor is only 26-years-old he is not bother by the large age gap between the two.  

The source went on to reveal, "He's always loved her look and thought Ryan Gosling was insane not to put a ring on her finger. If she was even remotely interested he'd jump at the chance."

Zac Efron has had a rough couple of months as it was discovered that he reportedly entered rehab back in 2013 but is now is clean and sober. He recently admitted his addiction battle "is a never-ending struggle."

Even though the "Neighbors" star has briefly dated Lily Collins, a source revealed that Efron, who once was serious with his "High School Musical" costar, Vanessa Hudgens but is finally ready for a relationship again.

Despite being spotted with 21-year-old Halston Sage on a basketball game date, the "That Awkward Moment" actor has had his eye on Hollywood's hottest ladies including the likes of Lea Michele, Katy Perry and Selena Gomez.

The source also revealed that, "Zac also has always had a huge crush on Rihanna, apparently, but her partying habit rules her out for anything long-term."

Who do you think Zac Efron should date? Let us know in the comment section below.