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How's this for an MVP performance? 

National League MVP Bryce Harper made a young fan's day when he lip-synced to her at the Nationals' Winterfest. 

The 23-year-old star outfielder's sweet serenade happened over the weekend at the Washington Convention Center and the clip has been making the rounds on social media after it was tweeted by the team. 

Despite a disappointing season for the Nats overall, Harper was unanimously named MVP after batting .330 with 42 home runs.

Harper also made headlines late in the season when he was involved in a physical altercation in the dugout with a teammate.  

Check out the cute moment above.

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