Blue by Betsey Johnson - Sidny. Color Black Rose Polka Dot. On sale for $70.60. MSRP $89.00.. 4.0 out of 5 starsAdd to favorites. 0 people have favorited thisBrand NameBlue by Betsey JohnsonProduct NameSidnyGenderWomen'sColorBlack Rose Polka DotPrice$70.60MSRP: $89.00Rating4Rated 4 stars out of 5(135)