(NBCUniversal via Getty Images) Before Instagram crushes and TikTok fame, there were the teen idols of the ‘90s – TV stars, movie crushes, and floppy-haired poster boys who adorned our walls and ruled our screens. Whether they were stealing hearts in a coming-of-age drama or serenading us through our boom boxes, these idols went on to define a generation of pop culture and some even continue to influence us today.