Ralph Lauren: Five decades of signature styles

Ralph Lauren is stepping down as CEO of the luxury fashion company he founded in the United States nearly 50 years ago.

He started Polo Fashions in 1968 with his older brother, designing ties, and the brand has since gained acclaim for its understated, but classic, preppy look.

Here's a quick catwalk snapshot of five decades of Ralph Lauren style.

Video produced by Mohamed Madi