Nancy Grace Got 'Dancing With the Stars' Call on Her Way to Casey Anthony Trial

Nancy Grace found it hard to believe that ABC wanted her as a contestant on Dancing With the Stars. The outspoken HLN star and her partner, dance pro newcomer Tristan McManus, talked about their upcoming dance floor gig today on Good Morning America!

"I was en route to the courtroom, in the car, and at first I thought I was getting punk'd," Nancy told GMA today of the moment she was informed by producers asking her to join Season 13 of hit reality competition.

She added, "I thought someone had gotten my cell phone number and was kidding me about doing Dancing With the Stars while I was on my way to the tot mom Casey Anthony trial."

Nancy also shared that any advances she gets from the show are going to charity.

"The bottom line is all my money is going to the National Center for Missing and Exploited Children," she said. "I'm putting my money where my mouth is."

Watch Nancy's GMA interview HERE!