Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @BratzHead happy birthday to the most beautiful cheerful sister ever, llnp 💕❣🎉
This tweet contains emotions: 
joy, love, optimism