For a MOOtiful Princess! Happy Birthday Card - Girl £1.50 Quantity: at £1.50 each Add To Basket 24 in stock. Tweet For a MOOtiful Princess! Girls princess themed birthday card featuring our very own Princess Megan MOO and her sparkly castle. We also have matching birthday invites in this theme. All cards are BLANK inside and come with an envelope as standard. If only ordering cards use FREEDEL in the checkout.