Alli Simpson, Cody Simpson's sister, is stepping out on her own with her new music video and single Notice Me. This cool pop track was produced by CJ Baran and is out now on iTunes. The 15 year old actress, model, blogger and social media darling has over 1.2M followers on Twitter and Instagram, and has found a place in teen culture as a style maven and trendsetter. This girl is definitely one to watch!