Jennifer Lawrence might be the most loyal Adidas girl in New York City. Knowing her, she's perusing the brand's last-minute Amazon Prime Day sales right now, searching for her next signature shoe. While J.Law considers the Grand Court or Run '70s, I'll snatch the discounted Adidas sneakers already on her shoe rack. I'd need a few Prime Days to catch up to Lawrence's Adidas collection. She fell for the German label's running shoes as early as 201…