What’s even better than birthday cake? Seven tiers of birthday cake, of course. Princess Charlene of Monaco rang in her 46th birthday Wednesday with just one such very large, very lucky confection. Alongside husband Prince Albert and their 9-year-old twins, Princess Gabriella and Prince Jacques, Charlene visited a bakery in Monaco’s historic Condamine Market, which has been open since 1880. The cake was decorated with white frosting and red ribbons, with some tiers featuring butterfly adornments and gold gilt accents, as well as sprays of fresh flowers. The cake wasn’t the only festive touch for Charlene’s special day. She and daughter Gabriella had a little mother-daughter twinning moment for the outing, wearing similar but not identical outfits. Gabriella wore a camel-colored overcoat atop a heathered gray turtleneck sweater, while Charlene had opted for a long quilted Max Mara puffer vest with a hood in the same tan hue, with a gray sweater and loosely wound gray scarf underneath to keep warm. Monaco’s royal couple have made headlines over the past several years over speculation around …