Princess Diana's 'revenge dress' back in spotlight, 32 years after she wore it

Princess Diana's "revenge dress" that she wore on June 29, 1994, after the then-Prince Charles publicly admitted infidelity during their marriage, is back in the spotlight as it's being auctioned. The black dress was put on display at London's Sotheby's on Friday, before it's taken to Hong Kong, Geneva and New York. It's expected to sell between $150,000 and $300,000.