(2 of 7) Pretty in PlaidBlame it on the Gossip Girl effect, but lately school girl-inspired plaids have been turning up on fashionistas of every age and taste. While young trendsetters—like GG stars Taylor Momsen and Blake Lively—can be seen in playful, mix-and-match ensembles, others put a more sophisticated spin on the iconic weave. To pull off the all-season look without seeming like a college co-ed, take cues from these stylish stars. Taylor Momsen Meanwhile, Lively's co-star Taylor Momsen wears her kicky skirt with wild accessories including polka-dot socks, purple bags, and dapper bow tie. To achieve her carefree, girlish style, do the same and don't forget to add a headband, the signature accessory of today's Gossip Girl look. January, 2008.