Who is Jemma McKenzie-Brown? Well, her star isn’t burning too brightly yet, but we suspect that it will be soon enougn! Jemma is set to co-star in the new High School Musical sequel, as a sort of mini-Sharpay. Time will tell if Jemma can step into the large shoes developed by Ms Ashley Tosdale. In the meantime, Jemma was soaking up some fame as she went shopping at Kitson Clothing Boutique in company of her family a few days ago in Beverly Hills, California. Jemma posed outside the store looking for more of a spotlight.