Kate appeared downright regal in a blue Alexander McQueen gown and the Cambridge Lover's Knot tiara and earrings (a favourite of Princess Diana) at a state banquet alongside Prince William and Queen Elizabeth II. The the fancy event and Kate's equally fancy regalia wasn't an accident but rather a moment for the palace to present Kate in a more "Queen-like" manner as she and William continue to take on more and more responsibility as senior royals.