Jennifer Lopez isn't always a demanding diva. The Latina lovely recently shot the September cover of Marie Claire at famed artist Hunt Slonem's awesome 100-room studio in the West Village, and even though the shoot ended up taking all day she was "extremely hardworking and respectful," Slonem tells us. Ever since then, however, Slonem's parrots Perky and Oliver have been singing bits of J.Lo tunes.