I’ve been hanging out with Burlesque divas and saucy singers, and flirting with gorgeous trans sexuals at Rouge Bar, London’s brand new Cabaret and Cocktail bar! Situated close to Barbican underground station, it is also the first ever Cabaret Bar in London’s financial district. With live music and performers.  Managing director Lauren Steadman herself is a musician and is one third of the entertainingly funny band The Frantastics! She wanted to open a venue where people could enjoy classy and glamourous Burlesque acts without having to be obliged to buy food or sit down for a three-course meal. Thus, Rouge was born. And Rouge it is, with its red interiors,  vintage…