She’s a Country Music Superstar, wife, mother, actress and Entrepreneur. Oh, and did i mention, she's 56 today?! Who is this? Reba McEntire of course. Nominated for the Academy of Country Music’s Top Female Vocalist of the Year award, which will be handed out on April 3rd on CBS. It’s an award she’s already won a record-holding 7 times! But WHO is Reba? Enjoy our “20x20″ gallery: 20 pics an