Spotted!: Singer Gwen Stefani rocked a plaid suit from her L.A.M.B. Fall 2011 collection while shopping in West Hollywood on December 21, 2011. Gwen kept the rest of the outfit simple, which is always appropriate when wearing a lot of pattern, with a solid black undershirt and black peep-toe booties. Stefani who is known for her red lips also had bright, red nail polish that matched the stripes in the suit. She accessorized with a pendant necklace and cat-eye sunglasses. For this look and other plaid pieces check out the L.A.M.B. Fall 2011 collection.