The wild and eccentric Lady Gaga tops the Forbes Celebrity 100 List. The list features the most powerful celebrities in the entertainment industry, famous for their riches and fame and influence on the people. Oprah slides down from her usual top spot to number 2, making The Fame Monster top the list. Lady Gaga earned $90 million by her Moster Tour. She has over 32 million Facebook fans and 10 million Twitter followers. Her recent single "Born This Way" made 1 million digital downloads in just 5 days. Fans love Lady Gaga for her style and love to buy the products she endorses including MAC makeup, Virgin Mobile phones and Monster headphones.