Los Angeles/New York - Singer Beyonce Knowles, 26, and her long-time boyfriend, rapper Jay-Z, 38, have exchanged wedding vows, the US magazine People reported Saturday.

They held a wedding and party Friday night in New York City with a small circle of family and friends, people who know the couple told the magazine.

Publicists for neither of the performers would give an immediate confirmation of the report.

The celebrity news website E!online reported that Kelly Rowland and Michelle Williams, former bandmates of Knowles in the R&B girl group Destiny's Child, were in attendance for the wedding at Jay-Z's apartment in the trendy TriBeCa neighbourhood of Manhattan.(dpa)