May 13, 2008 - Madonna is turning 50 this summer. That's right—the woman who attempted (and thankfully failed) to bring cone bras to the masses has been walking the earth for half a century.

And she's not the only icon celebrating the big 5-0 this year. Michael Jackson will have 50 candles on his cake this August. Actor, environmentalist, and cell phone aficionado Alec Baldwin just turned 50. And the artist…