On Tuesday night (July 26), Debbii Dawson brought a touch of ABBA-mania to America’s Got ... Whether that rule sticks as she progresses in AGT, we’ll have to wait and see.

MINNEAPOLIS — Chances are, you've probably heard ABBA's hit song ... 29-year-old Debbii Dawson performed it, unless you watched July 26's episode of "America's Got Talent." ...