Sexy Stars: Kate Middleton, Rachel McAdams and more stun in effortless looks

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Sexy Stars: Week of May 1
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Sexy Stars: Kate Middleton, Rachel McAdams and more stun in effortless looks

Hot hot hot! Gomez kicked off her Revival Tour in a slinky, champagne slip dress with a low-cut neckline and sexy, hip-high slit. Effortless waves and a fun, furry sandal completed her gorgeous old Hollywood-inspired look. 

(Photo by Denise Truscello/WireImage )

Olivia Culpo, 23, ditched her pants and flaunted her toned legs in a fun, sheer polka dot skirt that exposed a pair of demure black undies. A classic black crewneck shirt offset the revealing skirt. 

(Photo by Andy Kropa/Invision/AP)

Kate Middleton, 34, was a vision in a pale-pink two-piece set with a daring neckline that was offset by a demure flirty skirt.

 (Photo by Karwai Tang/WireImage)

Catherine, Duchess Of Cambridge wowed in a gorgeous pale blue knee-length dress that accentuated her small waist. A simple watch, fresh blowout and nude pumps completed her flawless, sophisticated ensemble.

(Photo by Neil Mockford/GC Images)

Rachael McAdams, 37, put a classy twist on the sexy sheer trend in a fun red midi dress with alternating sheer and velvet panels. 

 (Photo by Brent N. Clarke/FilmMagic)

Jaimie Alexander, 32, channeled her inner '90s queen in a simple black slipdress and black choker. We don't know about you, but we're so glad spaghetti straps are back!

 (Photo by Ben Gabbe/FilmMagic)

"Jessica Jones" actress Rachael Taylor, 31, looked gorgeous in a simple black minidress with a fringed hem. A youthful side-part and pretty pink makeup complemented the simple look perfectly.  

(Photo by Paul Archuleta/FilmMagic)

Actress Annabelle Wallis, 31, stunned in a simple jersey maxi dress with sexy side cutouts.

(Photo by Mike Marsland/Mike Marsland/WireImage)

Rita Ora, 25, stunned in an asymmetrical black gown with a sporty flair. We love the two white straps at her hip and edgy black booties.

(Photo by Laura Cavanaugh/FilmMagic)

Kristen Bell, 35, rocked a flirty LBD with a swingy skirt and floral appliqué details. A sheer panel at the waist added a touch of sex appeal to her effortless look.

(Photo by Jason LaVeris/FilmMagic)

Singer Bebe Rexha, 26, flaunted her sporty personal style in a bomber-inspired jumpsuit with silver zippers, exposing an on-trend Calvin kKlein bralette. A casual black watch and strappy sandals completed her look.

(Photo by John Lamparski/WireImage)

Actress Jacqueline MacInnes Wood, 29, showed off her enviable figure in a gorgeous shimmery ballgown with a plunging neckline.

(Photo by Paul Archuleta/FilmMagic)

Brooklyn Decker, 29, wowed in a simple, sleek cobalt blue strapless cocktail dress with pale pink accessories.

 (Photo by Emma McIntyre/Getty Images)

Rosie Huntington-Whiteley, 29, turned heads in leather skinnies, sky-high stilettos booties and a mid-calf length camel sweater.

(Photo by Michael Stewart/GC Images)

Eva Longoria, 41, nabbed the spotlight in a sexy little hot pink number.

(Photo by David Livingston/Getty Images)

Check out those gams! Carrie Underwood, 33, knocked 'em dead in a super-fun printed minidress and leg-lengthening nude platform shoes. Turquoise earrings picked up blue hues in her frock, and orange tones brought out her sexy tan.

 (Photo by JB Lacroix/WireImage)

We can't get enough of Elizabeth Olsen! The "Captain America" actress, 27, stunned in a gorgeous white suit with an oversized jacket. Tousled hair and satin heels completed effortlessly chic look.  

(Photo by: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)

Wow! Lily Aldridge, 30, rocked a slinky, shimmery barely-there dress that hugged her fit physique and gave the impression of being nude.

(Photo by Karwai Tang/WireImage)

Talk about glam! Naomi Watts, 47, channeled Hollywood stars of yesteryear in a gorgeous mirrored gown with floral appliques. Chic curls and winged eyeliner completed her knockout look.

(Photo by Rabbani and Solimene Photography/Getty Images)

Rosie Huntington-Whiteley flaunted her long legs in a gorgeously-draped white gown with a dangerously high slit.

(Photo by Rabbani and Solimene Photography/Getty Images)

Only Kendall Jenner could pull this off! The model, 20, stunned in the beachwear-inspired gown.

(Photo by Rabbani and Solimene Photography/Getty Images)

Now, that's a look! Karlie Kloss, 23, turned heads in an elegant gown with a keyhole cutout at the chest and seriously revealing, hip-hugging cutouts at the sides.

(Photo by Karwai Tang/WireImage)

Actress Kate Beckinsale, 42, wowed in an eye-catching black halter gown and slicked-back hair.  

(Photo by Jason LaVeris/FilmMagic)

Jessica Alba, 35, looked perfect in a simple, robin egg-blue work-appropriate dress and nude heels.

 (Photo by Joe Scarnici/WireImage)


Catherine, Duchess of Cambridge, stepped out this week in a number of gorgeous, effortless sexy ensembles.

The royal and mother of two, 34, totally stunned in a gorgeous, light pink Alexander McQueen dress that left a truly feminine impression. A daring, low-cut neckline was offset by the outfit's flirty, demure skirt, while a stiff peplum added some structure to the frock's soft lines. (Similar here, here and here.)

SEE ALSO: Kate Middleton reveals name of Prince George and Princess Charlotte's new royal pet

Middleton did it again in one of her favorite dresses she's rocked before in 2011 and 2012: A pale blue Roksanda knee-length dress with asymmetrical sleeves. (Similar looks here and here.) Her go-to L.K. Bennett pumps, and L.K. Bennett Nina box clutch gave the recycled look a fresh springtime flair.

The Duchess wasn't the only one to rock killer styles this week. Actress Rachel McAdams, 37, also turned heads in an effortless red midi dress with alternating sheer and velvet panels. The swingy silhouette with a schoolgirl-esque collar put a classy spin on the skin-exposing sheer trend. (Similar look here and here.)

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