Sexy stars take the plunge & other hot looks from the week

The ladies of Hollywood are daring to bare in super-revealing looks. This week, we saw countless of low, plunging necklines on the red carpet.

Chrissy Teigen, 29, wowed -- as usual -- in a slinky black number with a revealing neckline and thigh-high slits.

Fellow model Suki Waterhouse, 23, opted for a deeper plunge, but the sexiness was offset by the pretty pink color and soft, embellished chiffon. Undone hair kept her look natural and ethereal.

Kaley Cuoco, 29, mixed it up with a low-back and pearl pendant down her spine. Business in the front, party in the back!

See more plunging looks and other sexy celeb style above.

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