Jessica Simpson and her daughter Birdie Mae showed off matching swimwear looks while posing in a Walmart fashion ad.

The 44-year-old multi-hyphenate was joined by Birdie Mae, 5, to promote her latest Jessica Simpson Collection at Walmart.

How young is too young for a crop top? It depends on who you ask. Walk into almost any store that carries kids clothing and you’ll find racks of midriff-baring sweatshirts and tees. The fashion ...