As Ariana Grande’s fans were gearing up for a rumored high-octane superhero ride, she pulled off a holiday hijack, descending upon the scene as a Christmas angel, armed with a discography of ...

Who is Ariana Grande, and why should I care? She's an actress-turned-pop star, and she can really sing, man. The 22-year-old has one of the best voices in the world, and it's not just pop music.