Whether they’re family or friends, manipulators are difficult to escape from. Give in to their demands and they’ll be happy enough, but if you develop a spine and start saying no, it will inevitably bring a fresh round of head games and emotional blackmail. You’ll notice that breaking free from someone else’s dominance will often result in them accusing you of being selfish. Yes, you’re selfish, because you’ve stopped doing what they want you to do for them. Wow. Can these people hear themselves?!

People often brag about being “hot-tempered” or “fiery” when a more accurate description would be: “I stopped developing emotionally when I was a small child and therefore never learned to control my tantrums.

Do that thing you always wanted to do “someday” in the future: get on a plane in your Jackie O shift dress and shades, take a train across Europe wearing red lipstick, buy that sporty two-seater car, spend your money on perfume. Otherwise you might wake up one day with a husband and kids and wonder what you did with all that free time you once had. And if you’re already experiencing the domestic bliss of family life, savour every moment.

We talk about wanting to change the world, and we often picture this as a lofty goal reached only by superstars, politicians and billionaires. The truth is, no matter where you are or what you’re doing, you’re making a difference just by existing. Every action you carry out will either make the universe a better place or a worse one.

When it comes to the way you present yourself online, the acid test is: Can you imagine Grace Kelly doing it? If you can picture her saying “Dem hos betta watch out imma beat some ass tonite”, then congratulations, you have a much better imagination than mine. Likewise, if you can’t quite see her posting a snapshot of herself drunkenly pole-dancing, think twice about broadcasting those pictures to the world.

Unforgettable experiences are generally worth splurging on; unlike stuff, memories don’t wear out (or take up space, get dusty, break, or get stolen). If you really want to go and work at an orangutan orphanage in Borneo, it will be worth the cash.

Lovely as it would be to live off a trust fund and have nothing more taxing to think about than where your next hot stone massage was coming from, it's essential for all human beings to have a purpose. There's no honour in boasting “I don't work, dahling...” If you're not stretching yourself, discovering where your gifts lie, expressing your creativity, or enriching the lives of others, what are you for?

As long as you wear clothes you love, which suit your body and your personality, it won’t matter if you’re wearing a dress that was in vogue five years ago; you’ll still look amazing. Also, somebody has to START new trends, and that somebody could be you.

A Princess has beautiful manners no matter who she’s dealing with. She would never stoop to being brusque when giving a burger order, or shouting at the barista who forgot her syrup shot. When we behave like true Princesses, people enjoy serving us, because they’re more likely to get a sympathetic smile instead of a complaint about the long wait.

If your confidence is based purely on the way you look, you’re setting yourself up for a) years of fretting about how to appear perfect, and b) anxiety / despair as the wrinkles inevitably set in. (Not to mention the fact that the world is FULL of pretty girls – you’re going to have to dig a little bit deeper if you want to stand out in the crowd.) Base your self-belief on what’s in your heart and mind; you’ll never lose your inner beauty.