Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @BratzHead happy birthday to the most beautiful cheerful sister ever, llnp 💕❣🎉
This tweet contains emotions: 
joy, love, optimism