Mariah sat down with Barbara Walters for an exclusive Nightline interview to talk about life with her twins and what's next for her career after joining American Idol.
Mariah granted Nightline a backstage pass as she was getting ready to kick off her #1 To Infinity residency at The Colosseum at Caesar Palace in Las Vegas, NV. She talked with Michael Strahan about the upcoming chapter in her life.
Mariah invited ABC News' T.J. Holmes to Fresh Air Fund's Camp Mariah to celebrate the camp's 25th anniversary.
