Fashion Stars Love... Giambattista Valli By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Updated on August 3, 2008 @ 11:31AM Pin Share Tweet Email Trending Videos Photo: Erica Mueller/BEImages; Karl Prouse/Catwalking/Getty Images Stars Love... Giambattista Valli 01 of 10 Rihanna Juan Rico/Fame Pictures; Chris Moore/Catwalking/Getty Images RED CARPET Rihanna stole the show at the BET Awards in a fluorescent-yellow gown worn with contrasting purple makeup. RUNWAY Michaela Kocianova walked tall in Paris wearing towering platforms paired with the delicate dress. ANOTHER WAY Nine West maxidress, $140; at ninewest.com. 02 of 10 Charlize Theron Oleg Nikishin/Epsilon/Getty Images; Chris Moore/Catwalking/Getty Images RED CARPET The Hancock star grounded her vibrant floral dress with black strappy heels and a Roger Vivier clutch.RUNWAY Tanya Dziahileva worked the rosette-studded dress with red peep-toes.ANOTHER WAYRebecca Taylor silk dress, $280; at neimanmarcus.com. 03 of 10 Lucy Liu Flynet Pictures; Chris Moore/Catwalking/Getty Images RED CARPET Lucy Liu looked sleek and sophisticated in a short, '60s-inspired version of the sculptural dress. RUNWAY On the catwalk, Kamila Filipcikova was fairytale-ready in the dramatic number paired with a brilliant red stole. ANOTHER WAY Carmen Marc Valvo bubble dress, $630; at bloomingdales.com. 04 of 10 Sarah Jessica Parker Dave Allocca/Startraks; Karl Prouse/Catwalking/Getty Images RED CARPET The Sex and The City star showed her usual style savvy by adding metallic Louboutins to the chiffon frock.RUNWAY Lara Stone stomped the Paris catwalk in the tomato-red mini and matching platforms.ANOTHER WAYASOS ruffled dress, $75.71; at asos.com. 05 of 10 Mary-Kate Olsen Paul Hawthorne/Startraks; Chris Moore/Catwalking/Getty Images RED CARPET The actress/designer accessorized her mini-puff dress with a fringed bag and neon-bright platforms. RUNWAY Viviane Orth debuted the white ultra-mini in matching platforms (sans neon!) for a super-leggy look. ANOTHER WAY Tony Cohen bubble dress, $330; at tobi.com. 06 of 10 Mischa Barton Steve Buckley/Buzz Fhoto; FirstView.com RED CARPET Mischa Barton looked extra-fanciful in the ivory lace dress worn with her favorite hippie headband and studded Louboutin mary janes. RUNWAY Anna Mariya Urazhevskaya stalked the catwalk in black lace worn with opaque tights and major heels. ANOTHER WAY Valentino Red empire-waist dress, $660; at saksfifthavenue.com. 07 of 10 Jennifer Morrison Jordan Strauss/WireImage; Chris Moore/Catwalking/Getty Images RED CARPET The House hottie stood tall in the voluminous jumpsuit, perfectly accessorized with bright gems.RUNWAY Misha Parszkosz was austerely elegant in the wide-legged creation, paired with a head scarf.ANOTHER WAYAlice + Olivia halter jumpsuit, $440; at shopbop.com. 08 of 10 Katie Holmes Pacific Coast News; FirstView.com RED CARPET Katie Holmes channeled Jackie O in the camel coat and major shades. RUNWAY Milagros Schmoll stayed under wraps in the topper and velvet peep-toes. ANOTHER WAY Mayle double-breasted coat, $760; at shopjake.com. 09 of 10 Victoria Beckham INF; Chris Moore/Catwalking/Getty Images RED CARPET What could be more Posh than a made-to-order sheath that hugs every curve? RUNWAY In Paris, Anabela Belikova sashayed in a fun, flowy version with ruffled sleeves. ANOTHER WAY Shoshanna brocade dress, $395; at saksfifthavenue.com. 10 of 10 Sandra Oh Erica Mueller/BEImages; Karl Prouse/Catwalking/Getty Images RED CARPET The Grey's Anatomy star added peep-toes and pearls to the baby-doll dress.RUNWAY Hye Park rocked the frock with a few finishing touches: a crisp bow belt, strappy platforms and shades.ANOTHER WAYLotta Stensson strapless dress, $114.99; at bluefly.com.