As one of the world's best-selling musicians, Lady Gaga has set the musical bar high. Since her debut album, The Fame (2008), she has sold more than 124 million records and scooped numerous awards, including twelve Grammy Awards, three Brit Awards, and eighteen MTV Music Video Awards. Yet she is much more than a musician. At the helm of the Haus of Gaga--a close-knit circle of behind-the-scenes creatives--Lady Gaga is a performance...