LOS ANGELES -- The men and women on our annual Celebrity 100 list--the most powerful people in the entertainment business this year--earned $4.5 billion over the last 12 months by starring in films, playing basketball, walking the catwalk and more. But they also rose to the top by garnering influence.
These days that means mastering social media. Lady Gaga topples Oprah Winfrey from her No.1 spot on our list, which she's given up for only the third time in seven years. Gaga is there not just...Full Story