With his growing fame and singing success, Cassidy was keen to shake his squeaky-clean teen idol image and to pursue a solo career.
Many celebs have run into this sort of scandal over the years, but the most shocking ones come from celebrities who are otherwise squeaky clean.
Matt Lauer - The Today Show host had an affair while covering the Winter Olympics, and it definitely tarnished his squeaky clean image.
Although Brady had the reputation of being this sort of "All American" boy, things weren't so squeaky clean in his personal life when he and Gisele met.
The tabloids, of course, had the pictures to prove it and Tom's squeaky clean image began showing cracks.