Get ready for muscles, boobs, and sharks! According to the Rock’s Instagram, he’s damn good at lip-syncing “All I Want For Christmas Is You” while driving. But more importantly (and more relevant to this post, some might argue), he also reports that Alexandra Daddario is joining the cast of Seth Gordon’s new Baywatch movie, alongside Dwayne himself and fellow Baywatch-y style smooth-bodied (I’m guessing) hunk Zac Efron. The Rock previously worked with Daddario in the movie San Andreas, where she played his daughter, so hopefully he won’t feel too icky seeing her boobs move around in slow-mo. And vice versa.