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Eva Mendes, Jenny McCarthy

ABC/RICK ROWELL; Steve Granitz/WireImage.com

Yabba dabba do! Or don't?

Eva Mendes and Jenny McCarthy tapped into some Flintstone fashion sense with this sequined, single-shouldered Stella McCartney dress.

The Other Guys star wore a looser version of the metallic mini to the MTV Movie Awards earlier this year, pairing it with gold Roger Vivier sandals.

Meanwhile, MTV's former Singled Out host wore the silver and turquoise animal-print dress to the American Music Awards this weekend, hoisting up the single shoulder and strutting her stuff in black Christian Louboutin heels.

So whose Stone Age style suits you best: sassy Mendes or sexy McCarthy?

Vote below and then get the final results Friday at 10:30 p.m. on E!'s Fashion Police show!

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