Kaley Cuoco Keeps Plunging Neckline Trend Going at Golden Globes After-Party -- See Her Daring Look!

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Kaley Cuoco is getting low!

The Big Bang Theory star kept the night's trend of plunging necklines going as she arrived at the 18th Annual Post-Golden Globes Party hosted by Warner Bros. Pictures and InStyle at the Beverly Hilton Hotel on Sunday night in Los Angeles, sporting a sexy sparkling ensemble.

RELATED: From Jessica Biel to Emma Stone, See All the Super Sexy Plunging Necklines at the 2017 Golden Globes!

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Cuoco brought her boyfriend, Karl Cook, along for the night, who complimented her deep V neckline with a patterned jacket and purple bow tie.

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PICS: 2017 Golden Globes Red Carpet Arrivals

As for showing off her golden globes, it turns out, Cuoco knew exactly what she was doing.

"Heading to the Golden Globes with my golden globes good job team! @bradgoreski @daniela_viviana @jamiemakeupgreenberg @christinesymondshair (and Mr Kc)," she captioned a shot of herself on Instagram with her crew, pointing out her décolletage.

ET caught up with Mandy Moore on the red carpet before the Golden Globes, who dished on her own cleavage-baring gown.

"I've always wanted to wear a cape," she exclaimed of her gorgeous Naeem Khan cape dress. "I feel like a quasi-superhero."

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