Apparently if you click on the eggs on the website there are coupon codes. It says they change frequently and are no longer valid after 50 uses. I found this one:
Enjoy $5 off your order over $30!
Happy Easter from Meow Cosmetics
Coupon Code: CatInMyBasket
Enjoy Free Shipping off your order over
$25 - United States Orders
$75-for International orders!
Happy Easter from Meow Cosmetics
Coupon Code: OnTheBunnyTrail