So Sally's sells some pretty awesome but expensive glitters in their acrylics section. And someone on a nail board mentioned that there was a nice sparkly holographic one so of course I had to go check it out.
Doesn't look very holo at first glance and I think this ran me around $5. Now something I may not have mentioned about soak off gels is that they have a sticky layer on them after curing which is fantastic for adding glitter.
So all I did here was Shellac Base Coat, 1 coat of a random colour ( I used Shellac Negligee) and then smooshed the glitter on with a dry brush, added Gelish Top It Off and cured. I added a second top coat just to be safe. I love when I finally do an awesome mani after so many fails :) The sparkle is insane on this!