Source: First Lady Michelle Obama, Lady Gaga & More To Honor Beyonce At Billboard Music Awards

Beyonce Knowles attends a screening of "I AM... World Tour" at the School of Visual Arts Theater in NYC on November 21, 2010 -- Getty Images

Beyonce has throngs of fans - including celebrities and political power players - and a few famous faces will be part of a tribute to the "Run The World (Girls)" singer at the Billboard Music Awards, A ccess Hollywood has learned.

Sources tell Access that First Lady Michelle Obama, Barbra Streisand, Lady Gaga, U2 frontman Bono and Stevie Wonder will take part in a tribute to Beyonce at this Sunday's award show in Las Vegas, where the 29-year-old beauty will be honored with the Millennium Award.

PLAY IT NOW: Stars Strut Their Style At The 2011 Costume Institute Gala

Beyonce recently teamed up with the First Lady and the National Education Foundation in the fight against childhood obesity, and worked with fellow pop superstar Lady Gaga on their 2010 hit, "Telephone.

The stunning singer also performed Etta James' classic ballad, "At Last," for President Obama's inaugural dance with Michelle in 2009.

VIEW THE PHOTOS: We Like What We See Of Beyonce!

The Billboard Music Awards air on Sunday at 8 PM ET/PT on ABC.

Copyright 2011 by NBC Universal, Inc. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.