WATCH: Kanye West Is Not Happy Leaving Kendall Jenner's Birthday Party!
Kanye West was not having it when he was leaving Kendall Jenner's 20th birthday party!
While he arrived at The Nice Guy sporting a wide smile, his mood changed quickly during the night! The rapper reverted back to his mean mug when he left the West Hollywood hotspot as paparazzi cameras flashed.
PHOTOS: Khloe Kardashian Looks Downcast At Kendall Jenner's Birthday
Whether he didn't have a good time inside the soiree remains unknown, but he did look annoyed while helping his pregnant wife Kim Kardashian into their car to leave the party.
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Watch the video above to see Kanye's mean mug in action!
PHOTOS: Kendall Jenner Goes Nearly Naked For Birthday Party!