At the time, the Oscar winner had to turn down the leading role as he was busy leading James Cameron’s ‘Titanic.’

Leonardo DiCaprio says the biggest regret of his acting career is turning down Paul Thomas Anderson's offer to star as the lead in 'Boogie Nights.'

For A-list celebrities like Leonardo DiCaprio, the tough career decisions look drastically different than the ones most of us face. The proof of this comes after his recent admission about the biggest regret of his stellar career,