Boy oh boy, do we love the High School Musical movies! That’s why we rushed the stage door at Broadway’s Richard Rodgers Theatre when we heard that brainy Taylor McKessie was headed for a reunion with dreamy basketball star Chad Danforth. OK, we know: It’s really actress Monique Coleman visiting her former co-star-turned-Broadway headliner Corbin Bleu after the March 21 matinee performance of In the Heights. Coleman, who jumped from the HSM franchise to Dancing with the Stars, congratulated Broadway’s current Usnavi and happily posed for snapshots backstage.