DYI Sequin Embellished Tee Shirt from Chic Steals here. You could also use iron- on rhinestones or trim for a simple collar. This reminds me of a dressed down version of the DIY Nail Polish Painted Rhinestone Collar Tutorial from Crimenes de la Moda here.
fabric printing with bleach/Dyeing fabric with bleach. Applying ordinary household bleach to dark, natural-fiber fabrics, either by spraying or brushing the bleach on flat fabric (Resist-and-spray technique), or by dipping the fabric in it, after protect