Nonstop coverage of the Casey Anthony trial was not the only thing keeping Nancy Grace busy this summer.
"I was en route to the courtroom, in the car, and at first I thought I was getting punk'd," Grace said today on "Good Morning America" of the moment she got the call from producers asking her to join Season 13 of hit reality competition "Dancing With the Stars."
"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," she said.
The HLN host spent the summer in the spotlight in a fury covering the months-long trial of Anthony, who was found not guilty in July of murdering her 2-year-old daughter, Caylee.
Known for her tough talk and strong opinions, including saying "somewhere tonight, the devil is dancing" after the Anthony verdict was delivered, Grace, 51, has become one of the more controversial celebrities to join the show's cast.
Media critics, colleagues, and even fans, have questioned whether she can maintain her credibility while doing the cha-cha and tango before millions of TV viewers.
"The bottom line is all my money is going to the National Center for Missing and Exploited Children," Grace said on "GMA" in response to the criticism. "I'm putting my money where my mouth is."
In addition to Grace, the star-studded celebrity line-up for the show's 13th season includes actor David Arquette, Chaz Bono, the son of famed entertainers Sonny and Cher, fashion guru Carson Kressley, NBA champ Ron Artest, model Elisabetta Canalis, reality-TV stars Kristin Cavallari and Rob Kardashian, talk show icon Ricki Lake, war veteran and actor J.R. Martinez, entertainer Chynna Phillips, World Cup soccer star Hope Solo.
Grace is not one to shy away from controversy, but the show's other biggest headline, partnering Chaz Bono, who recently underwent a very public gender change from a female to a male, with a female professional partner, Lacey Schwimmer, is one hot topic she is staying away from.
"I'm not getting involved. Unless it's got crime tape around it, I don't care," she said today. "I just don't think it's our business to be judging other people for their personal decisions. Unless Chaz commits a felony, I don't have a problem."
"I met Chaz, he's an absolutely lovely person and I'm just waiting to see how he dances," she added.
Watch the two-hour season premiere, Monday, Sept. 19 at 8 p.m. ET and visit abc.com for more information on "Dancing With the Stars" Season 13.