Playboy Playmate Posts 'Sin City 2' Set Pics: Win Win

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In Frank Miller's world, the men are tough as nails, the bastards are yellow and the dame are to kill for — especially if one of those dames happens to be Playboy Playmate Crystal McCahill.

Want proof? Then just check out these cool new photos McCahill just tweeted from the set of "Sin City: A Dame to Kill For."

Exactly what role McCahill will be playing in the hardly hotly anticipated sequel to 2005's "Sin City" is unclear, but what is clear is that fringed bustiers are about to make a comeback like it's 1879. And that's not really much of a surprise; co-directed by Miller and Robert Rodriguez, "Sin City: A Dame to Kill For" is a prequel to "Sin City," which famously featured Jessica Alba as a stripper in a cowgirl costume.

"Sin City: A Dame to Kill For" hits theaters on October 4, but if you can't wait quite that long, here's a look at McCahill on set courtesy of Bleeding Cool, doing what bad girls do: