BRAND NEW!! FRESH 12 pack 12oz cans Starry Lemon Lime soda!! This new Pepsi Lemon Lime soda replaces the 24 year old Sierra Mist brand that failed to compete with Sprite. Duh. While Sierra Mist was sweetened with “Real Sugar”, Starry is sweetened with corn syrup. According to Pepsi, Starry has higher citrus flavors that are true to fruit and more aromatic compared to Sierra Mist and is caffeine free.