BRAND NEW!! FRESH 20oz Starry Zero Sugar Lemon Lime soda!! This new Pepsi Lemon Lime soda replaces the 24 year old Sierra Mist brand that failed to compete with Sprite. Duh. According to Pepsi, Starry has higher citrus flavors that are true to fruit and more aromatic compared to Sierra Mist and is caffeine free. Sweetened with Aspartame and Sucralose.