Esther Williams, a swimming champion who dove into success in Hollywood “aqua-movie” musicals geared to displaying off her abilities, has died in Beverly Hills, Calif., at ninety one, her spokesperson has verified to NBC News.She had now not been in poor health, however had been experiencing health issues associated to her age, Harlan Boll said. She passed away in her sleep early Thursday morning.Her stepson Lorenzo Lamas additionally twee…