Dark Seafoam Marine Tutorial (featuring Stargazer Blue Cake Liner)

This is a fun evening eye made up of several blues. Navy blue crease (The Body Shop Eye Shadow Single in #31), metallic seafoam-grey lids (Cyber Colors Cosmos Eyeshadow #01 Neptune), and a gorgeous matte prussian-blue liner (Stargazer Electric Blue Cake Liner - though it's not really electric blue) which costs all of £3.50. 
The hardest item to obtain or duplicate would be Cyber Colors Cosmos