Singer and actress 

and Hollywood actor

delighted fans with a joint performance at one of the Christmas parties. 

The star couple attended a social event, where the singer sang several New Year's hits.

During the performance of the song "By Christmas Eve" by John Legend, the star was joined by her husband. 

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After a touching duet, Ben and Jennifer shared a tender kiss in front of the audience, which drew applause from the audience.

The video from the party immediately appeared on the couple's fan accounts on the Internet.

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At the party, Jennifer shone in a green and gold dress, which she accessorized with an extravagant diamond necklace.

And the singer's hair was collected in a high hairstyle.

But Ben chose a more restrained look for a joint outing with his wife - a black jacket on top of a black T-shirt. 

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We will remind you that recently Jennifer Lopez and Ben Affleck

by during a romantic walk through the city. 

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