Ever since Leigh Silver created Beyonce Art History, there have been various topical blogs that insert celebrities into paintings to create funny (sometimes useful) mashups. The Carter Family Portrait Gallery extends the trend to the rest of Bey's family (Hov and Blue Ivy) as well as her extended family (Kanye, the Kardashians, Barack Obama, Oprah, etc.). Check out some of the portraits.
More portraits here
Sources 1, 2