Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
Colours were really pretty, a few of the pinks were a bit more of a 'barbie' pink than natural but still nice. Chipped/peeled after a few days though. Would look really nice for a night or two for a special occasion