Sexy Stars: Week of Aug. 9, 2015

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Sexy Stars: Week of Aug. 9, 2015
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Sexy Stars: Week of Aug. 9, 2015

Wowzas! Heidi Klum, 42, was a totaly showstopper in a sexy, whimsical minidress with a deep neckline, asymmetrical cutout and star embellishments. Sexy strappy sandals and a super blonde 'do completed the "America's Got Talent" host's knockout look.

(Photo by Debra L Rothenberg/FilmMagic)

Olivia Culpo, 23, was a total cutie in vintage-looking high-waisted denim shorts, a cropped mustard sweater and black accessories. A fresh blowout completed her stylish ensemble.

(Photo by Michael Stewart/Getty Images)

Rihanna, 27, looked killer in acid wash denim, a white tank and fun, pink and orange peep-toe shoes. Wild locks and cool sunnies completed her look for a night on the town.

(Photo by NCP/Star Max/GC Images)

Ciara, 29, wowed in a conservative nude dress that looked fab on her statuesque frame.

(Photo by Josiah Kamau/BuzzFoto via Getty Images)

Chrissy Teigen, 29, was casual chic in distressed denim, a white lace top and camel leather accessories.

 (Photo by Keith Johnson/Bauer-Griffin/GC Images)

Model Stella Maxwell, 24, who's rumored to be dating Miley Cyrus, turned heads in a slinky sequined slip dress with a thigh-high slit. Tousled hair perfectly complemented the sexy ensemble.

(Photo by David M. Benett/Dave Benett/Getty Images for Victoria's Secret)

Emily Ratajkowski, 24, stunned in a royal blue sequined gown with a slit that showed off her incredible gams.

(Photo by SAV/GC Images)

Malin Akerman was retro-chic in a fun dress with a printed bodice and coral accessories. 

(Photo by Alberto E. Rodriguez/Getty Images)

Actress Jaime Pressly, 38, looked gorgeous in a chic printed minidress that fit her like a glove. A bold pixie cut and simple nude pumps completed her sophisticated ensemble. 

(Photo by Gregg DeGuire/Getty Images)

Gabrielle Union, 42, looked killer in a tuxedo-inspired gown with sheer sleeves. Flawless hair and makeup completed her picture-perfect look.

 (Photo by Jason LaVeris/FilmMagic)

Actress Olivia Cooke, 21, looked incredible in a futuristic mod, mirrored minidress and strappy black sandals.  

(Photo by Vittorio Zunino Celotto/Getty Images)

Amy Schumer, 34, rocked a metallic pleated halter dress and a retro half-up half-down hairstyle.

 (Photo by Clodagh Kilcoyne/Getty Images)

Reese Witherspoon, 39, looked chic in a navy sleeveless buttondown, yellow floral pencil skirt and chunky wedges.

(Photo by GONZALO/Bauer-Griffin/GC Images)

Rihanna, 27, turned heads in an all-black ensemble and a white Chanel bag. A swipe of magenta lipstick added the perfect pop of color.  

(Photo by Raymond Hall/GC Images)

Actress Emily DiDonato, 24, stunned in a jumpsuit with a cropped gaucho pant leg. Natural makeup completed her effortlessly sexy look.  

(Photo by Josiah Kamau/BuzzFoto via Getty Images)

Model Nina Agdal, 23, flaunted her abs with a tasteful midriff-baring dress.

 (Photo by Josiah Kamau/BuzzFoto via Getty Images)

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Stars rocking sexy, head-turning looks turned up the heat this week -- on and off the red carpet.

Heidi Klum knocked it out of the park in a tiny minidress that showcased her incredible fit bod. She was a total showstopper in the whimsical frock with a deep neckline, asymmetrical cutout and star embellishments. Strappy sandals, a super blonde 'do -- and a great tan -- completed the 42-year-old model's killer look.

SEE ALSO: Stars flaunt their hot beach bods, sexy poolside style

Victoria's Secret model Stella Maxwell, 24, who's rumored to be dating Miley Cyrus, turned heads in a slinky, sequined slip dress with a thigh-high slit. Tousled hair perfectly complemented the sexy number.

Actress Jaime Pressly, 38, looked gorgeous in a chic printed minidress. A bold pixie cut, flawless makeup and simple nude pumps completed her sophisticated ensemble.

See these knockout looks and more sexy celeb styles in the slideshow above.

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