Irina Shayk and Bradley Cooper know how to keep their co-parenting relationship positive.The former flames were spotted out and about together shortly after the model sparked romance rumors with Kanye West earlier this month.Shayk, 35, and Cooper, 46, were photographed hanging out and chatting in the Big Apple on Thursday, as they spent time with their 4-year-old daughter, Lea.Cooper rocked a dark blue button-down shirt, khaki pants and a close-cut 'do, while Shayk kept things casual yet stylish