EXCLUSIVE VIDEO INTERVIEW: Michael Irvin Admits Putting Nickel In Booty on Dancing With The Stars

Through a lifetime of coaching, we bet ex-NFL star Michael Irvin never got advice like his dancing partner, Anna Demidova, gave him on Monday's episode of ABC's Dancing With The Stars.

Demidova told the former Dallas Cowboy, doing the Paso Doble dance, that he needed to keep his hips forward like he was "holding a coin in his bottom."

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Irvin took the advice literally, making for a hysterical moment when the change (a nickel) fell out.

Backstage at Dancing With The Stars, RadarOnline.com's Tina Malave caught up with many of the participants to get their take on other tidbits of advice -- a penny for their thoughts, so to speak -- on what it takes to dominate the dance floor.

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"We only use dimes," Donny Osmond joked.

Louie Vito said that his partner gave him some interesting advice that the dumber he felt dancing, the better his (inhibition-less) performance would be.

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Maksim Chmerkovskiy said that the key to success in any performance was to project confidence, keeping your insecurities on the inside.

"If its an octagon or a coliseum or a dance floor, its the same thing," he said. "If you show your insecurities, people will eat you alive."