Actor, writer, musician and Academy Award nominee, Robert Downey, Jr., is best known for his recent roles as Tony Stark (a.k.a., Iron Man) and Sherlock Holmes, but his rise to Hollywood stardom began when he started acting in his father's films as a child.
Unfortunately, he also started using drugs with his father at a very young age, which explains his widely-publicized battles with substance abuse and addiction. These days, however, RDJ is on top of his game.
His confidence is legendary, and it definitely spills over onto the screen. You can feel his personality coming through all of his characters, no matter how sensational they are.
A true comeback story, Downey's life has been anything but boring, and it only seems to be getting better with each year.
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