The ladies of London gather for high tea, from left: Lottie Kane, Missé Beqiri, Lady Martha Sitwell, Myka Meier, Mark-Francis Vandelli, Lady Emma Thynn. Photo: Jeff Spicer/Bravo “Do I look like Margaret Thatcher?” Lady Martha Sitwell, wearing a silk leopard-print dress with a bow at the collar, bellows as she enters the bar underneath the notorious egg-shaped loos (sorry, restrooms) at kitschy London restaurant Sketch in the posh Mayfair neighborhood. The star of Ladies of London: The New Reign