Wife Beyonce has given husband Jay-Z some spousal support on stage. The "Deja Vu" singer made a brief appearance at the rapper's concert in New York Friday.

Jay-Z had included his wife's hit "Crazy in Love" on his song line-up during his Heart of the City concert with Mary J. Blige on Friday, which he often does. But when he cut it off, Beyonce surprised the audience when she joined her husband on stage and danced to the tune.

MTVnews.com reports that Justin Timberlake, Jodie Foster, and Naomi Campbell were also guests at the sold-out show.

The tour's next stop will be in Atlantic City, New Jersey on Monday.