Starbucks will debut its new "Trenta" in 14 states.  It's 31 ounces and will cost 50 cents more than the "Venti," which is their largest size now. The new size will be available only for iced coffee, iced tea and iced tea lemonade drinks.  If you are a Starbucks fan, you will probably love this.  But just how big is the new "Trenta?"  Just to give you an idea of the total calories, a Frappuccino has over 700 in a "Venti" size.  Just imagine how many more calories it will be for the next size up.  See the chart below: