WASTING AWAY ON BROADWAY

“Escape to Margaritaville” has gotten some pretty bad reviews, not that he’d know it. The laidback singer (below) joined actress her Tony-award-winning husband and who produced the show, at Pier 60 in Chelsea. “This is my first Broadway show and I’m not going to read the reviews,” he said. “This show is supposed to be fun and I hope everyone sings along.” Also at the show was “Grey’s Anatomy” star and Dr.