PHOTOS: Lady Gaga: They Call Her Mellow Yellow

Lady Gaga Sept. 10"

Sing along with us: "They call her mellow yellow... quite rightly!" Lady Gaga donned a pair of brightly colored sunglasses over another smaller, darker pair, slipped on a Dr. Seuss-like wig and topped it all off with a train conductor hat, and looked pretty divine while doing so in Paris today.

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