Check out style mavens including Jessica, Beyoncé and Nicole and vote on who you think is the biggest trendsetter – then take PEOPLE's ultimate trends poll. By Serena Kappes
When it comes to the red carpet, Nicole Kidman (at the Tribeca Film Festival) is the reigning queen. "She's like a fashion model," says Kaufman. "She's so tall and thin that she can carry off many looks. She's made for high-end, sophisticated couture clothes." Rather than being overtly sexy, Kidman's style is streamlined. "The accessories are always minimal, the hair is fairly simple, the makeup is always very clean."