Blue by Betsey Johnson - Sidny. Color Black Rose Polka Dot. On sale for $62.30. MSRP $89.00.. 3.9 out of 5 stars+2Brand NameBlue by Betsey JohnsonProduct NameSidnyGenderWomen'sColorBlack Rose Polka DotPrice$62.30MSRP: $89.00Rating4Rated 4 stars out of 5(127)