Alexandra Daddario

'San Andreas' star Dwayne 'the Rock' Johnson officiates at longtime fan's wedding

Dwayne "the Rock" Johnson has been on a promotional roll on the days leading up to the release of his flick "San Andreas," in which everything is rocking and rolling. 

He even married a longtime fan for the betterment of the movie. More on that later.

With girlfriend Lauren Hashian looking on Tuesday, he became the 283rd person to immortalize handprints and footprints in cement outside the TCL Chinese Theatre in Hollywood.

Thursday found him at "San Andreas'"...