hand out the Best Picture award — and her frail appearance and confused demeanor was a shock to many.Now in a wheelchair after battling years of ill health, an emotional Minnelli was given a standing ovation by the A-list audience.“Oh! It’s so exciting,” Minnelli exclaimed as Gaga — who had stepped away to allow her a moment in the sun — told her: “You see that? The public, they love you.”It was Minnelli’s former publicist Scott Gorenstein who helped make the moment happen, after he was approached by Academy officers who said that Gaga personally asked that the actress present with her in honor of the anniversary of “Cabaret.”“Liza is living her best life, not having to be in front of the cameras,” Gorenstein told The Post. “She’s been under tremendous pressure her entire life to perform for audiences.