I also recently tried the half-moon trend. I used Sally Hansen Complete Salon Manicure in Greige Gardens and Plum's The Word and paper reinforcers to create the shape. Here's a step by step photo guide.
|Greige Gardens & Plum's The Word|
|Start with a coat of your light color (Greige Gardens)|
|Place reinforcers at the base of each nail with a half circle on the nail. Paint dark color over the entire nail|
|Remove reinforcer and now you have half moon nails|