Demi Lovato was seen out in London today wearing a black shirt similar to this from JCPenney ($14.99), black skinny jeans similar to the H&M Super Skinny Low Jeans ($19.95), a pair of Rodarte White Snakeskin Embossed Ankle Boots ($950.00), her Hermès Birkin Bag with Gold Hardware (not available online) and a pair of Miu Miu Acetate Round Sunglasses ($365.00). You can get similar sunglasses from Nordstrom ($12.00) and a similar bag from Yesstyle ($25.95).