U.S. pop singer Beyonce headed Forbes' list of the world's most powerful celebrities released on Monday (June 30).<br/> <br />With estimated earnings of 115 million dollars (USD) over the past 12 months and a string of chart hits, Beyonce, 32, nabbed the top spot on the annual list, pushing entertainment mogul Oprah, 60, from first place last year into fourth.<br/> <br />LeBron James jumped from 16th place last year to No. 2. He earned an estimated 72 million thanks to his performance on the basketball court and endorsement deals.<br/> <br />But the most impressive rise on the list was No. 3's Dr. Dre. The 49-year-old co-founder of Beats earned 620 million in 2014, and climbed from the 63rd spot in 2013.<br/> <br />Actor Robert Downey Jr's son has been arrested on suspicion of drug possession in West Hollywood.<br/> <br />Indio Falconer Downey, the 20-year-old son of the "Iron Man" actor, was arrested on Sunday (June 29) afternoon with what authorities believe was cocaine and a pipe used to smoke it, accordin
