Today, we honor the iconic singer-actress Whitney Houston, who would have turned 51. From a fresh-faced teen model (seen above) to InStyle cover girl, the New Jersey native left her mark in the entertainment industry, racking up a handful of Grammy nominations and wins in her career. And who can forget. In honor of Houston’s birthday, we’re taking a look back at her most unforgettable moments over the years. Click through our gallery to relive her standout performances, flawless studio albums, and more.