Beyonce Attends Michelle Obama's 50th Birthday Party - See the Pics!

Beyonce poses with the presidential pup Bo as she attends Michelle Obama’s 50th Birthday Party on Saturday night (January 18) at The White House in Washington, D.C.

The 32-year-old entertainer was reportedly joined by Jennifer Hudson, John Legend, and more for the star-studded bash thrown by President Obama.

PHOTOS: Check out the latest pics of Beyonce

Even though details of the event are being kept under wraps, sources told the Chicago Tribune that Bey serenaded the crowd with her hits “Single Ladies (Put a Ring on It)” and “Irreplaceable.”

The following day, Beyonce shared some photos of herself getting ready for the event, as well as some other chic shots on her Tumblr page.

FYI: Beyonce is wearing a Randi Rahm gold fringe dress.

10+ pictures inside of Beyonce getting ready for the birthday bash…