Pretty easy and simple to do, as long as you have the stencils! I brought mine last year from poundland part of a set to spray images on your windows.
1
Prepare your area, newpaper needed and put some inside the top flat.
2
Start mixing the paint with a little water, i used a sponge to mix it and also dabbed the paint.
3
Tape the stencil to your top, make sure it is flat. Then you wanna start to lightly dap on your paint with a sponge. Make sure your paint isn't too thick or too watery. Only dab on small amounts at a time, then you can build it up.
4
Half way there, I decided to add some more smaller bats. Try flipping your stencils over, so you have more images, but make sure they are dry first!
5
Wait to dry and its ready to wear :) Altogether this top cost me £4.50!