United Kingdom, July 31 -- Dave Franco says the weirdest rumour he ever heard about himself is that he was dating Zac Efron.

The 40-year-old actor - who has been married to Alison Brie, 42, since 2017 - revealed an ex-girlfriend called to question him about his relationship with his Neighbors co-star after a photoshopped image of them appeared online.

Speaking on the Call Her Daddy podcast, Dave said: "This girl that I was kinda seeing at one point reaching out and being like 'hey, what's this all about?' and it was this photoshop of me and Zac Efron at like a basketball game where we're getting like really cosy together. Then there were all these headlines that maybe we were dating. And I think that had some legs too."

Dave also confi...