Jennifer Hudson surprised guests at the Hearst Corporation's 125th anniversary celebration in New York on Tuesday.
Wearing a gold lace dress, the singer performed a number of songs including the hit "And I Am Telling You" from Dreamgirls.
Gayle King, Ralph and Ricky Lauren and Mayor Mike Bloomberg were all in attendance for the event, which included a private screening of Citizen Hearst, a documentary on media magnate William Randolph Hearst.
Chef Marcus Samuelsson catered the soiree, which included a liquid nitrogen ice cream bar.
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— People magazine (@peoplemag) August 7, 2012@peoplemag with#CITA and it could appear on PEOPLE.com!
