Hello, it's Adele. On the heels of selling 5 million copies (and counting) of her new album 25, the English superstar is crossing the pond to embark on a U.S. tour. With numerous chart-topping singles, a trio of multi-platinum albums and one of the most memorable Bond themes to her name, she can easily claim the title of the Queen of Pop (the kind that you listen to when you're feeling a little sad).