What nearly toppled the house that Gloria’s father Vander-built?

Before she was even two years old, Gloria Vanderbilt, America’s original 'poor little rich girl,' inherited $5 million from her late father -- an inheritance that kicked off a notorious custody battle. Now, the New York socialite's a millionaire in her own right and the proud mother of a very famous 'silver fox.' The Filthy Rich Guide All New Tuesdays 10P ET