Before dating Miro, Efron was linked to Lily Collins and Vanessa Hudgens, whom he dated for four years during the pair's Disney days.
While Efron may be looking to settle down, don't think the way to his heart is through Instagram -- it's actually through his brother, Dylan.
EXCLUSIVE: Zac Efron Vows to 'Make It Up' to Paris Jackson After She Claims He Broke Her Young Heart “I try to stay off my phone as much as possible.
While we would never spoil the ending for you—check the winner in part three here—there may be a big reason to keep watching the entire episode.
She captioned the snap of the 29-year-old and herself: '@mtv movie and tv awards backstage shenanigans with @zacefron #Summerand Brody #Baywatch.'The duo - who play love interests Summer and Brody in their upcoming film - also posed for the official photographer arm-in-arm.
Walking out on stage together to present Best Actor In A Show, the pair's chemistry was certainly very apparent.
But then Jason meets Ellie who just might be perfect for him, Daniel starts to realize that his gal pal Chelsea might be perfect for him, and Mikey has always thought that his wife was perfect for him.