Dime Pieces: Rihanna Scores Again!

Plus, Beyoncé, Solo and more make our best-dressed list.

Rihanna - It was a white night for the Battleship star who pairs a draped, high-slit white gown with matching sandals and Neil Lane gems. (Photo: Scott Kirkland/PictureGroup)

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Rihanna - It was a white night for the Battleship star who pairs a draped, high-slit white gown with matching sandals and Neil Lane gems. (Photo: Scott Kirkland/PictureGroup)

Janet Jackson - Miss Janet stands tall in a gold embroidered Alexander McQueen jacket with denim jeans and sky-high booties. She kept the rest of her look fuss free: a fresh face, no jewelry and sleek tresses. (Photo: D Dipasupil/FilmMagic)

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Janet Jackson - Miss Janet stands tall in a gold embroidered Alexander McQueen jacket with denim jeans and sky-high booties. She kept the rest of her look fuss free: a fresh face, no jewelry and sleek tresses. (Photo: D Dipasupil/FilmMagic)

Melanie Fiona - We can't wait until singer Melanie Fiona graces the stage to present a BET Award to some deserving star!

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Melanie Fiona - The MF singer looks serious and seriously sexy in a yellow tank, floor-length trousers and eye-catching accessories.(Photo: Slaven Vlasic/Getty Images)

Nuvo TV and Her 8th Studio Album - At 44, Jennifer Lopez is turning the page yet again. Last year she left American Idol and already she has major developments in the works. She's got a new job as COO of Nuvo TV, the first English-language network for Latinos; and she's got a new album on the way, lead by two new singles, one featuring Flo Rida and the other featuring Pitbull. She's sure to continue to "Live It Up!" (Photo: Christopher Polk/Getty Images)

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Jennifer Lopez - American Idol's bombshell star chooses a more demure ensemble: pleated shorts with a sheer top and pointed pumps. (Photo: Christopher Polk/Getty Images for Coty)

Jada Pinkett Smith - Ditching her denim and flannel threads for full-on femininity, the star stuns in a white cutout Alberta Ferretti gown, then completes the look with side-swept hair. (Photo: Yumeto Yamazaki/startraksphoto.com)

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Jada Pinkett Smith - Ditching her denim and flannel threads for full-on femininity, the star stuns in a white cutout Alberta Ferretti gown, then completes the look with side-swept hair. (Photo: Yumeto Yamazaki/startraksphoto.com)

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June Ambrose - Turn to your favorite celebs to stay on trend. From sexy gowns to flirty sheaths, we’ve got something to fill every appetite.  Off to a destination wedding? Lucky you. Run with the exotic locale and pick a floaty dress like June's in a fun print or pattern.  (Photo: Julien M. Hekimian/Getty Images) 

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June Ambrose - The busy fashionista brings her style A-game in a sleeveless wrap maxi dress, cinched at the waist with a belt. (Photo:  Cantatore/PictureGroup)

Eva Mendes - Eva Mendes shows off some flower power in a '60s style, floral swing coat by Jonathan Saunders. (Photo: FameFlynet)

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Eva Mendes - Eva Mendes shows off some flower power in a '60s style, floral swing coat by Jonathan Saunders. (Photo: FameFlynet)

Paula Patton - The actress went for a ladylike look with a frothy pink Vera Wang gown that showed off her hourglass shape and matching drop earrings. (Photo: Larry Busacca/Getty Images)

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Paula Patton - The actress goes for a ladylike look with a frothy pink Vera Wang gown that showed off her hourglass shape. (Photo: Larry Busacca/Getty Images)

Photo By Photo: Larry Busacca/Getty Images

Beyoncé - The crowd went wild when the new mom stepped onto the red carpet, and with good reason. She was stunning in her show-stopping Givenchy couture gown. The two-toned, feather-and-sequin detailed frock left little to the imagination with a nude bodysuit covered in black lace. She let the dress sing by keeping her makeup light and wearing a sleek ponytail. (Photos: Larry Busacca/Getty Images)

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Beyoncé - Easily holding on to her title as People's Most Beautiful Woman, Beyoncé looks romantic in her show-stopping Givenchy couture gown. (Photo: Larry Busacca/Getty Images)

Belle of the Ball - Solange single-handedly shut the red carpet down at the Met Gala in her Rachel Roy peplum dress and cascading curls.(Photo: Dimitrios Kambouris/Getty Images)

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Solange Knowles - The boho-chic sister dons a figure-flattering canary yellow peplum gown by Rachel Roy, which she expertly accessorizes with an intricate bracelet and sparkly clutch.(Photo: Dimitrios Kambouris/Getty Images)

Photo By Photo: Dimitrios Kambouris/Getty Images