Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: @chencouture LMAO Is it that 'so slutty' hater girl? That video was hilarious. 😂
This tweet contains emotions: 
joy