Nancy Grace and Tristan MacManus

PHOTOS -Tristan MacManus - Nancy Grace's pro-dancer on "Dancing with the Stars slideshow

This Monday Nancy Grace will take to the stage with Irish dancer Tristan MacManus and she has admitted that she is terrified she'll fall.

Speaking to RadarOnline Grace admitted "One thing I don’t want to happen is for me to end up horizontal!"

Grace and her partner certainly seem to have chemistry. MacManus also proved that he can cope with the acid-tongued TV host as she mocked his pasty Irish skin.
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She proudly said, en route for her spray tan, "I’ll be the orangest woman on the show!”

The pair appeared relaxed and in good spirits on an ABC special. With his arm wrapped around Grace, MacManus listed the anchors strong qualities. The Dubliner said she was "funny, determined" but before he had a chance to finish Grace interrupted with "You better not mess this up!"

MacManus added "I'm going to have to say nice".

Grace, who famously reported on the Casey Anthony murder trial said that she's going to try to keep the same mindset during this tough competition as she did during the court case. She confidently said "If you've been in the end zone before, you can do it."

Season 12 premieres on ABC tonight,  (Monday, September 19) at 8/7c.

PHOTOS -Tristan MacManus - Nancy Grace's pro-dancer on "Dancing with the Stars slideshow