Page Six may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. It seems Old Navy jean sales are going up, up, up. After the brand released a denim campaign featuring Cardi B in the Curvy Extra High-Waisted Cuffed Wide Leg Jeans, the style sold out in a flash. But on Thursday, the star-approved style was restocked due to popular demand. “When you have a BBL it’s hard to find jeans… but Old Navy got everything for everybody!” the “Bodak Yellow” hitmaker quipped on X when the photos first dropped. Sold in sizes 00 to 30, the curve-friendly design features…