Guilt-Free Root Beer Float

I LOVE LOVE LOVE root beer floats! Vanilla ice cream and root beer, so simple but so good! It's such a refreshing dessert on a hot summer night! I make mine with low fat, sugar free ice cream and diet root beer and trust me...it tastes just as good as the more fattening version. Look, only 90 calories for 1/2 cup and the root beer is 0 calories! You even get that nice foamy top! Yep...It was