Fashion Party Dresses 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 September 19, 2007 @ 01:55PM Pin Share Tweet Email Trending Videos Photo: Thomas C. Card Party Dresses 01 of 20 Works Day or Night Thomas C. Card DRESS Chiffon, Rebecca Taylor, $388; at Luca Lu, 704-373-1698. NECKLACE Acrylic, KH Studio, $30; 212-594-0034. BAG Straw, Ira Salles, $195; 212-966-8566. Also on instyle.com today:Formal Dresses Under $400 02 of 20 Stay Cool in the Heat Thomas C. Card DRESS Cotton, Walter, $275; at Saks Fifth Avenue. NECKLACE Cotton and gold-filled chain, Charming Sam, $70; charmingsam.com. BRACELETS Resin, Ben-Amun, $45 each; 212-944-6480. BAG Crocodile, Lambertson Truex, $6,800; at Bergdorf Goodman. Also on instyle.com today:Formal Dresses Under $400 03 of 20 Sweet (But Not Too Precious) Thomas C. Card DRESS Embroidered silk chiffon, Vivienne Tam, $495; 212-966-2398. BRACELETS 14kt-gold wire with white jade, Susan Hanover, $58; Henri Bendel, 212-247-1100. Also on instyle.com today:Formal Dresses Under $400 04 of 20 Change It Up: Trade a Wrap for a Jacket Thomas C. Card JACKET Stretch cotton, Twelfth Street by Cynthia Vincent, $215; 301-457-6724. DRESS Cotton, Nieves Lavi New York, $290; Laila, 310-276-9447. NECKLACE Quartz, Simon Sebbag, $225; 212-594-0034. Also on instyle.com today:Formal Dresses Under $400 05 of 20 For Daytime Weddings, Brunches... Thomas C. Card DRESS Silk chiffon, Tocca, $280 ; tocca.com. EARRINGS 14kt-gold-dipped, Nugaard, $134; winknyc.com. BAG Wicker with leather trim, Lulu Guinness, $285; 212-367-2120 or luluguinness.com. Also on instyle.com today:Formal Dresses Under $400 06 of 20 Cute and Casual Thomas C. Card DRESS Cotton, Ralph Lauren Blue Label, $398; polo.com. BAG Raffia with leather trim, Helen Kaminksi, $295; at Ponte Vedra Inn Shop, 904-273-7723. Also on instyle.com today:Formal Dresses Under $400 07 of 20 Sleeveless, With Coverage Thomas C. Card DRESS Embroidered linen, O Oscar, $169; at Macy's. EARRINGS 14kt-gold plate with mother-of-pearl, Sparkling Sage, $118; Searle, 212-750-5153. BAG Leather, Diane von Furstenberg, $400; 646-486-4800. Also on instyle.com today:Formal Dresses Under $400 08 of 20 Look Hot, Stay Cool Thomas C. Card DRESS Silk, Nicole Miller Studio, $320; 800-365-4721. NECKLACE Citrine, Coralia Leets, $500; 866-446-0041. CUFF Gold plate, Issac Manevitz for Ben-Amun, $175; 212-944-6480. BAG Raffia, Trina Turk, $195; 323-651-1382. Also on instyle.com today:Formal Dresses Under $400 09 of 20 Warm Weather Wonder Thomas C. Card DRESS Silk georgette, Michon Schur, $1,188; Saks Fifth Avenue. NECKLACE Glass paste, Notting Hill Jewelry, $375, nottinghilljewelry.com. BAG Straw with sequins, Felix Rey, $65; Wish, 617-227-4441. Also on instyle.com today:Formal Dresses Under $400 10 of 20 So Versatile Thomas C. Card DRESS Viscose jersey, Max Mara, $1,235; 713-626-5617. BRACELETS 18kt-gold plate and silver, Anna Beck, $400/set of four; at Nordstrom. BAG Python, Michael Kors, $595; 214-691-9200. Also on instyle.com today:Formal Dresses Under $400 11 of 20 Summery Gets Sexy and Edgy Thomas C. Card DRESS Cotton, Maria Bonita Extra, $304; Pixie Market, 212-253-0953. BRACELETS 14kt-gold-filled, Roxanne Assoulin for Lee Angel, $65/set of 25; leeangel.com. BAG Embossed leather, Kooba, $295; Neiman Marcus. Also on instyle.com today:Formal Dresses Under $400 12 of 20 Simply Stunning, Day or Night Thomas C. Card DRESS Silk chiffon, Lela Rose, $1,195; bergdorfgoodman.com. BRACELETS 14kt-gold-filled with Swarovski crystals, Leslie Danzis, $120/nine; winknyc.com. BAG Metallic mesh, Whiting amp Davis, $156; 203-272-8353. Also on instyle.com today:Formal Dresses Under $400 13 of 20 Sharp and Sexy Thomas C. Card DRESS Silk, Issa, $600; searlenyc.com for stores. EARRINGS Silver and crystal, Pat's USA, $80; patsusa.com. BAG Lambskin, Lorelei, $218; loreleinyc.com. Also on instyle.com today:Formal Dresses Under $400 14 of 20 Delicate But Fun Thomas C. Card DRESS Embroidered silk, Foley, $484; Foley & Corinna, 212-529-2338. Also on instyle.com today:Formal Dresses Under $400 15 of 20 Fresh, Fun Prints Thomas C. Card DRESS Silk, Diane von Furstenberg, $325; dvf.com. NECKLACES 14kt-gold vermeil with gemstones, Rachel Reinhardt, $190-$245; rachelreinhardt.com and rachelreinhardt.com. BAG Leather, Michael Kors, $450; 609-348-2233. Also on instyle.com today:Formal Dresses Under $400 16 of 20 For a Retro Look Thomas C. Card DRESS Silk, Dries Van Noten, $1,104; at select Neiman Marcus stores. EARRINGS 14kt-gold-filled, Kendra Scott Design, $95; southmoonunder.com. Also on instyle.com today:Formal Dresses Under $400 17 of 20 Versatile and Flattering Thomas C. Card DRESS Cotton Jersey, Banana Republic, $148; bananarepublic.com. NECKLACE Resin and 22kt-gold plate. Kenneth Jay Lane, $200; Saks Fifth Avenue saksfifthavenue.com. BRACELETS Coral cabochons. Kenneth Jay Lane, $125 each; Saks Fifth Avenue. Also on instyle.com today:Formal Dresses Under $400 18 of 20 A Classic Cut With Sass Thomas C. Card DRESS Silk with grosgrain belt, Badgley Mischka Platinum Sportswear, $498; at Mario Pucci, 561-982-8382. Also on instyle.com today:Formal Dresses Under $400 19 of 20 Lovely, Flattering Cut Thomas C. Card DRESS Silk, Ann Taylor, $148; 800-342-5266 or anntaylor.com for stores. Also on instyle.com today:Formal Dresses Under $400 20 of 20 Cool and Easy for Day Thomas C. Card CARDIGAN Cotton, Three Dots, $78; 323-782-0139. DRESS Silk, Adam plus Eve, $365; at Saks Fifth Avenue. BRACELETS Bamboo, Kenneth Jay Lane, $50 each; at Saks Fifth Avenue. Also on instyle.com today:Formal Dresses Under $400