As your sister turns one year old (and wiser), these funny, heartwarming, and delightful birthday greetings will live ... tomorrow and forever. Happy birthday, sister! Happy birthday, sister!

Do happy birthday wishes for your sister have you scratching your head ... Now, if only we had a cheat sheet like this for ...

Do happy birthday wishes for your sister have you scratching your head ... Now, if only we had a cheat sheet like this for birthday greetings for all the special people in our lives.