Sheer Bliss: Designer Played peekaboo this spring by layering transparent separates over solid underpinnings, with varying levels of modesty. Givenchy spring 2011 Eastern Front: Traditional Eastern influences abounded this spring. Runways from Haider Ackermann to Dries Van Noten to Reed Krakoff showed elongated tunics and vests paired with loose cropped pants, Chinese and Japanese prints, and kimono-style wrapping. Dries Van Noten spring 2011 Building Blocks: Patterns took a cue from Rubik's Cube this season, with strong strokes of bubble-gum brights and rich jewel tones creating bold color blocking on shifts, dresses and tunics. Missoni spring 2011 That '70s show: Retro bohemian staples like peasant blouses, floor-grazing skirts, and wide-leg trousers reminiscent of Ali McGraw in love story carried collections from Etro to Salvatore Ferragomo. This is the new Bohemia: cleaner, crisper, and much sleeker than its flower-