Did you even go on Instagram today if you didn’t see an amazing cake? You know the ones: beautifully layered butter cakes with icing dripping down the sides and macarons, meringues and unicorns all over it. Well, thanks to Coles’ new pink vanilla drip cake, you too can create an edible masterpiece and perhaps become Instagram famous. At just $25, the cake features three layers of soft vanilla cake iced with a sweet pink-drip vanilla frosting. While it doesn’t come with all the fancy stuff on…