Proving she is her own best model, and that you never know what you're going to get from the Jessica Simpson pictures you find on a given day, the alleged singer and actress showed off vintage New Kids on the Block T-shirt.

The occasion was her promoting her new line of jeans in N.Y.C., and the soon-to-be 30-year-old cutie paired the items with a slick black blazer.

What do you think of her latest fashion statement? Vote below!

Jessica Simpson's New Kids on the Block shirt is ...