Mary-Kate and Ashley Olsen
The enterprising twin actresses' apparel retails exclusively at Wal-Mart in tween and toddler sizes. It's just part of an estimated $1 billion Olsen empire encompassing everything from hair care to books. The twins also design contemporary fashion under the label Elizabeth and James.
Miley Cyrus
Although the Disney show, "Hannah Montana," has ended, Miley Cyrus isn’t quite finished yet. With help from a-list designer, Max Azria, the popstar launched an affordable teen clothing line at Walmart that seems to be catching the attention of young fans everywhere.
