“Boardwalk Empire” captured a leading seven trophies at the creative arts Emmy Awards, with Gwyneth Paltrow and Justin Timberlake earning TV comedy series guest-star honors. Paltrow, recognized for “Glee,” and Timberlake, a winner for hosting “Saturday Night Live,” were no-shows at Saturday’s ceremony for technical and other achievements. The creative arts awards preceded the main Sept. 18 Emmy show. Timberlake received his award for hosting a “Saturday Night Live” episode and shared in another Emmy for co-writing his opening monologue, in which he crooned about not wanting to sing. “Boardwalk Empire,” which stars Steve Buscemi as a Prohibition-era politico in Atlantic City, N.J., earned trophies for categories including art direction, picture editing and makeup. Loretta Devine was honored as best guest actress in a drama series for “Grey’s Anatomy,” with Paul McCrane earning the category’s best actor award for “Harry’s Law.” Fired “Two and a Half Men” star Charlie Sheen, the subject of a Comedy Central “roast” taping across town Saturday, was at the ceremony in spirit as his former co-star Jon Cryer and series creator Chuck Lorre presented awards in the casting category. Howie Mandel teased next week’s Emmy Awards, saying: “This is great. These are the creative Emmys. Unlike the Emmys next week, where there’s no creativity at all.” HBO earned a leading 15 awards Saturday, followed by PBS with 10, Fox with nine, CBS with seven and NBC with five. ABC won three awards, behind the four each for Discovery Channel and History. The creative arts ceremony will air Sept. 17 on ReelzChannel, which earned three awards for the controversial miniseries “The Kennedys.” The 63rd annual prime-time Emmy ceremony, with “Glee’ ‘ star Jane Lynch as host, will air live the next night on Fox.