So pretty, and easy to make! Get some reinforcement stickers. Cut in half and put on your nail. Paint the rest of your nail in one color and get some glittery nail polish and outline reinforcement sticker.
Freehand? Flower Nail art design - Actually I think it's a water marble. The blending is too smooth on the colours to be freehand. It's not dissimilar to the technique used to water marble a four leaf clover.