Music Stars of the '80s: Where Are They Now?

intro: They were the teen queens of the 1980s pop scene, Tiffany and Debbie Gibson, the singing and fashion icons who rocked their rivalry all the way to pop-star superstardom before fading away as adulthood and the 1990s beckoned. Now the former hit-making rivals are back and on tour together, bringing the decade that made them famous to the "Good Morning America" Summer Concert Series stage in a live performance today in New York City's Central Park. Calling their tour "Journey Through...Full Story