Mariah Carey, Andrew Rannells & More Celebrate Opening of New York's One World Observatory!
Mariah Carey shows off some skin as she gets ready to perform at The One World Observatory Opening Celebration on Thursday (May 28) in New York City.
The One World Observatory is located inside the One World Trade Center, which is now the tallest building in New York and one of the tallest in the world.
Visitors will get panoramic views from 1,250 feet above ground from the observatory, located on floors 100, 101 and 102 – Buy your tickets here!
10+ pictures inside of Mariah Carey, Andrew Rannells, and others at the event…