Kat Deluna can’t keep up with her growing curves. “I’m growing in all of these weird places,” the petite pop star told us. “It’s like I can’t eat anymore. I have a big meal, and then I have to work out.” The 22-year-old Latina — who’s sometimes been asked if her curves are real — griped about her slowing metabolism at the Heidi Klum for New Balance Amazon launch event at the Cedar Lake Dance the other night. “Everyone in my family is skinny, so I’m not too worried,” she added.