Where does the time go? It seems just like yesterday that Sandra Bullock was a cute little bus driver starring alongside Keanu Reeves in "Speed." Since then, the woman dubbed "America's Sweetheart" has won an Oscar, dated some of the hottest leading men in Hollywood and has become a doting mother. In honor of her 50th (yes, 50th!) birthday on July 26, Wonderwall rounded up the top 10 reasons we love Sandy!