Attending the "When In Rome" L.A. premiere to support her hubby Josh Duhamel who stars in the film, "Black Eyed Peas" singer Fergie is chic and sexy in a Michael Kors Pre-Fall 2010 little black dress that features a leather peplum.

Style tip: Fall in love with the figure-flattering silhouette of a peplumed dress -- whether you're model-thin or on the curvy side, it's a trend that works for your shape.

Actress Kristen Bell plays peek-a-boo with sexy cut-outs at the "When In Rome" L.A. premiere in her chocolate brown Monique Lhuillier Spring 2010 gown.

Style tip: Cut-outs at the sides create the illusion of a nipped-in waist and especially flatter women with boy-shaped figures.

Eva Mendes gives her classic below-the-shoulder length a retro twist with just a change in her part -- a deceptively simple way to update your look!

Get her look: Create a 2-inch wide center part and blow-dry hair straight with a large round brush. Blow-dry hair on the crown toward the back of the head with root lift. Push bangs behind the ears and add gloss serum to the ends.

Beyonce plays up her curves in a navy Rafael Cennamo dress with a waist-cinching patent belt at the Heat fragrance launch at Macy's Herald Square in N.Y.C. and tops it off with sexy red peep-toes.

Style tip: If you're curvelicious like Beyonce, a dress with a fitted waist and exaggerated hips is perfect for showing off your shape. Alternatively, try a high-waisted tulip skirt paired with a tank top for a coordinated look.

At the launch of her "Vida For Espana" line at the Macy's Home Store in Los Angeles, actress Eva Mendes gets dressy in a red-and-pink floral Christian Lacroix dress topped off with a plush clutch and peep-toes.

Style tip: The spring season is in full bloom with bright pops of color and floral accents! Team a spring-ready dress like Mendes' with soft pastel accessories to play up your ladylike side.

Rihanna favors lovely drapings and lots of texture for the Grammys -- her white Elie Saab Fall 2009 Couture gown has appliqué and feather detailing on the bodice and soft gathers along the hips which plays up the singer's shape.

Gorgeous in a flesh-toned Zac Posen Spring 2010 sleeved gown adorned with gold floral paillettes, singer Katy Perry gives her ensemble an ethnic twist by accessorizing with an Indian-inspired elephant clutch and a bindi.

Cobalt blue is the color of choice for "Black Eyed Peas" singer Fergie, who looks sizzlingly hot in her mini curve-conscious number with a one-shoulder gold zig-zag detail from Emilio Pucci Spring 2010.

Dramatic dresser Lady Gaga has all eyes on her on the Grammys red carpet when she makes a grand entrance in this gorgeous Swarovski-encrusted sculptural corseted number from Armani Privé and staggeringly high heels.

Beyonce opts for a sexy Cleopatra-esque look in a nude figure-hugging gown with ribbed accents from Stéphane Rolland Fall 2009, complete with stand-out gold earrings.