-icing-wouldn't-melt angelic choirboy face fool you.I also met up with devilish cupcake maker Lili Vanilli, who gave me a few tips on whipping up the craziest of confections. I also tried out some YooMoo frozen yogurt, which was delish. Stop off at the Fourth Floor diner

benefiting from the hotel’s amenities.The resident concierges – Darren, Alan  and Duncan – pride themselves on their encyclopaedic knowledge about the capital’s history and most famous sights, but can also point out more quirky hidden gems, like the frozen