Jennifer Lawrence vs. Solange\nVote for the best-dressed star of the week here.\nJennifer Lawrence in Schiaparelli Haute Couture. Courtesy photo.\nSolange Knowles in Milly. Photo by John Sciulli/Getty Images for Louis XIII\nJane Fonda in Bottega Veneta. Courtesy of the brand.\nLily James. Courtesy of Moda Operandi.\nNicole Richie. Photo by Stefanie Keenan/Getty Images for Barneys New York\nMargot. Photo by BFA.com.\nKate Winslet. Photo by Buckner/Variety/REX Shutterstock.