Beyonce Celebrates 35th Birthday with Soul Train-Themed Party!

Beyonce keeps close to her hubby Jay Z as they make their way inside a night club rocking ’70s attire on Monday evening (September 5) in New York City.

The 35-year-old entertainer was joined by her sister Solange Knowles, her husband Alan Ferguson, and their son Daniel Smith as they celebrated B‘s 35th birthday at the Soul Train-themed bash.

PHOTOS: Check out the latest pics of Beyonce

Detail, who produced Bey and Jay‘s big smash “Drunk In Love,” was also in attendance and posted a picture on his Instagram inside the party.

“We did it!!,” Detail captioned. “@beyonce Happy Birthday No say say.”

15+ pictures inside of Beyonce and Jay Z at at her 35th Birthday Party….