Adele And Beyonce To Sing At Michelle Obama's Birthday Party - Report

Pop superstars __Adele and Beyonce have been tipped to perform for _America's First Lady Michelle Obama_ during her upcoming 50th birthday celebrations at the White House.

U.S. President Barack Obama's wife will reach the milestone on 17 January (14) and preparations are already underway for a major party in Washington, D.C.

The star-studded bash will include a number of musical performances from high-profile artists, and Britain's Mail on Sunday newspaper reports _A_dele and Beyonce have both been invited to sing.

A source tells the publication, "_A_merica's First Lady will be holding a huge celebrity-packed party for her birthday at the White House next year and, as she adores _A_dele and Beyonce, she has asked them both to sing. _A_dele has graciously accepted and waived her usual fee for the high-profile private performance. She will sing a selection of her most-loved hits for the First Lady and her friends."