High School Musical alum Vanessa Hudgens reunited with her tick tick... BOOM director Lin-Manuel Miranda backstage during the 75th Annual Tony Awards in Manhattan on Sunday.Last year, the half-Filipina 33-year-old starred as Karessa Johnson in the critically-acclaimed feature directorial debut from the 42-year-old Hamilton alum, who's only an Oscar away from elite EGOT status.Vanessa only one Broadway credit to her name - the titular role in Eric Schaeffer's Gigi revival, which was staged for two months back in 2015 at the nearby Neil Simon Theatre.