Rally Pretty Pink. This is a sheer dark pink/mauve/plummy brown base with insane amounts of bright, shiny gold metal flake sparkle. Looks and sounds familiar, doesn't it? Zoya Faye? They seem very similar to me. Faye seems deeper and richer, Rally Pretty Pink seems lighter and slightly pinker. I don't have my bottle of Faye with me so I haven't been able to do a true side-by-side evaluation to determine just how similar they are. I love this (like I loved Faye), it's a stunningly gorgeous color.
Red Shatter over Rally Pretty Pink. Red Shatter is really fascinating! As you can probably tell from the pictures, it's sheer. It's like a jelly crackle. Because if the see-through quality of this, details of the base polish show through the red. See all the sparkles from Rally Pretty Pink? Pretty cool. Another interesting effect of the sheerness is that the tone of the red shatter can change based on what you layer under it. 
See how much warmer it looks here with the orange showing through? This is OPI Red Shatter over Finger Paints Outta Sight Orange. This looks awesome over glittery orange, like a big shiny sparkling fireball. The formula on both was great. Nice and smooth, good texture, fast dry time. The crackle effect works much better over dry polish, but I used it over wet polish in these pictures and it's still pretty good. Just be aware that when applying over wet polish, the crackle will spread as it dries and take the base polish with it, causing bald spots.
I love both of these, but I must say... what an odd color combination. I don't know how much I like the red crackle polish over the golden-mauve base color, I think it blends in too much. I don't dislike them together, but I think the crackle effect doesn't seem as pronounced as with other colors. Needs more contrast. Maybe a yellow underneath?
(These were sent to me for review.)
