Blue Ivy Carter is growing up! The 13-year-old - looking just like mom Beyoncé - joined her dad Jay-Z in a rare public outing. The duo sat courtside to watch the LA Lakers take on the San Antonio Spurs. A stylish Blue rocked an oversized jacket and cargo jeans, looking like a miniature version of her mom. 📸 : Getty Images #BlueIvyCarter #JayZ #Beyonce