Happy 90th birthday to the one and only @giorgioarmani. Known for being the first to capitalize on the power of the red carpet, Mr. Armani revolutionized the world of celebrity dressing and remains the go-to designer for the world’s biggest stars. “I learned very early on that while other people’s opinions do matter, what truly counts is staying true to my vision,” he told W last year. In celebration of Mr. Armani's nine decades, swipe through for a look back at some of his star-studded fas...