Wearing what we refer to as "business casual," Miss Britney Spears announced to a crowded auditorium the presence of very special guest Lady Gaga during her Atlantic City tour stop over the weekend. Follow the jump to watch the crowd absolutely lose it!
Reports from Facebookers who were within close proximity at the concert indicate Lady Gaga fist-pumping her way through "I Wanna Go." Audience-members present also report Mother Monster stealing Britney's show at a later point when the crowd began chanting "Lady Gaga."
Has Britney been usurped?
And, just for fun, the performance of "Slave 4 U" that preceded the Gaga announcement: