“I love my shape because it’s curvy. I have thighs. I’m a size 28 in jeans. And that’s an average, normal size. I’m proud that I’m normal.” RITAORA , 26, is on a mission. Well, four of them, actually. There’s her highly anticipated new album, out later this year, which she’s been working on non-stop. And then there’s her hosting gig on America’s Next Top Model, which saw its ratings skyrocket for Rita’s debut. She also has her blossoming movie career, with 50 Shades Darker and the upcoming Wonderwell, in which she worked alongside the late Star Wars legend Carrie Fisher. And finally, there’s her job as a designer, which has included 15 collections with Adidas over the last several years, and now has Rita planning her very own line.…