By Archana Ram
May 27, 2011 at 04:00 AM EDT

ABC Family’s breakout hit may revolve around four high school friends, but the show’s fifth character — the girls’ sometimes daring, often trendsetting style — is getting the most buzz. ”Viewers definitely tune in for different reasons, and one of them is fashion,” says PLL‘s costume designer, Mandi Line. ”I just go for what I love — or couldn’t wear when I was younger.” That includes everything from fishnet knee-highs (!) to an epaulet-accented homecoming dress. Line manages to style wildly different pieces in a cool, cohesive way — and on a budget, sourcing mostly from stores like Forever 21 and the Gap. And she’s not afraid to pull from her own wardrobe. ”[Mandi] put her [feather earring] in my ear, and I was like, ‘I look like I have a peacock in my hair!”’ says Lucy Hale, who plays fashion risk-taker Aria. ”But everybody loved it. We did it before [feathered earrings] got huge.”