Must-See Star Sightings: December 16-31, 2018

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Mariah Carey on NYE
Romain Maurice

From Hollywood to New York City, celebrities are living their best lives on both coasts and everywhere in between, and this festive season has brought even more fun and cheer than we've seen the rest of the year! Click through the gallery to see some of the best events and hottest looks from the second half of December.