If your BMI is within normal limits (18.5-24.9), there is no need to lose weight. Don't try to achieve the figure of those skinny insta models. Women generally have more fat than men for the same weight because that's how the biology is. Estrogen, what makes women, women, is the reason of fat accumulation. Especially around hips, thighs, and chest. You are beautiful as you are sister with great singing and dancing talent. Don't let anyone tell you otherwise.