Floral sweater knit halter top by Betsey Johnson for Alley Cat. Halter features pink, lavender, mint green, white, and yellow sweater knit pattern. Halter was purchased in a collection, owned by a former employee of Betsey Johnson’s. The original label is missing.
Here’s a dress in the same pattern, different color combination http://www.enokiworld.com/goods/alleycatpink.htm