Michelle Obama, Lady Gaga, Oprah top Forbes' Powerful Women list

forbes-powerful-women-500.jpgThe First Lady Michelle Obama has come in first with Forbes.

The magazine has ranked Obama as No. 1 on its 2010 World's 100 Most Powerful Women list, which puts an emphasis on creative influence and entrepreneurship. This means that beyond just politics, many women from business, media and lifestyle has landed on the list.

Forbes calls the First Lady a "change-maker," whose Let's Move! campaign tries to solve childhood obesity and image has become a positive role model for girls and women worldwide. She's also become something of an accessible fashion icon.

She keeps eclectic company in the Top 10: