*NSYNC founder Chris Kirkpatrick is 'Tearin' Up Our Hearts' in this awesome episode of Hey Dude the 90s Called!Chris looks back at his 'boy band' days...but make no mistake about it, there are more 5-part harmonies on the horizon!Plus, a look at the band's rise to fame on TRL, the tragic fall of MTV, and how they worked with legends like Michael Jackson, Phil Collins and even got a surprise bathroom cameo from Paul Simon!!