Beyoncé and Jay-Z are known for being a very private couple, so when they post a family photo we can’t help but to notice how much 9-year-old Blue Ivy and their 3-year old twins Rumi and Sir Carter have grown.Casually photographed by Beyoncé’s hairstylist Neal Farinah, the stars look absolutely stunning dressed in black and white matching outfits.The singer is posing next to Blue Ivy, wearing high heels and high waist pants, matching perfectly with her black shades and sparkling earrings, while