• BRITNEY & CHRISTINA photo | Britney Spears, Christina Aguilera

Credit: Everett Collection; Suzanne Plunkett/AP

Published: Sunday August 25, 2013 22:30 PM EDT



Feud? What feud? Former Mouseketeers-turned-pop princesses Britney Spears and Christina Aguilera were nothing but polite and playful as they introduced Whitney Houston at the 2000 awards ceremony. Three years later, the duo reunited yet again, this time sharing the stage – and some same-sex smooches – with Madonna for a medley of her hits "Like a Virgin" and "Hollywood."