Simon Cowell has been at the forefront of the music and TV industry ever since he set foot inside EMI Records in the '70s. In the years following, he went on to sign some of the world's biggest stars, like One Direction and Little Mix, and to create a bevy of smash-hit shows like American Idol and The X Factor . His rise from mailroom assistant to international powerhouse is truly remarkable, as is the way he has handled the dizzying highs and lows of his life. Join HELLO! in discovering all about the talent judge's life as we celebrate his 66th lap around the sun. WATCH: All About Simon Cowell

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