While we're well aware that Roberta's isn't ~technically~ a bar, they serve up some of the best pizza in New York and definitely deserve a visit on your birthday. You can make a group reservation with a prix-fixe menu to trick people into thinking you're an adult and then order the "CrazySexyCool" cocktail to prove them wrong. After all, it wouldn't be a birthday without some pizza and friends to not share it with.