After a strong start this season, Ralph Macchio took a step back last week on Dancing With the Stars. The issue? His lack of chemistry with Karina Smirnoff.

Yes, lack of chemistry with Karina Smirnoff. Future Playboy cover girl Karina Smirnoff. If that can't ignite a little romance into your waltz, you've got issues.

Dancing With the Stars' Karina Smirnoff will bear all in May issue of Playboy. A Twitter post this afternoon from Hugh Hefner of all people confirmed this.

"May issue of Playboy is unforgettable with Dancing With The Stars Karina Smirnoff on the cover & nude inside," wrote the octogenarian founder.

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Karina Smirnoff Biography

Karina Smirnoff, Mario Karina Smirnoff is on Dancing with the Stars. Her and Mario Lopez have hit it off in real life, too. The two have been dating every since... More »
Full Name
Karina Smirnoff