ROTTERDAM, NETHERLANDS: US singer Britney Spears performs in Rotterdam, 07 May 2004 during her sole concert in the Netherlands for her 'The Onyx Hotel Tour.' Spears' 2004 European tour includes a series of concerts across Europe between 30 April and 05 June 2004. AFP/CONTINENTAL (Photo credit should read -/AFP/Getty Images)
Britney Spears’s big Billboard Music Awards medley performance has us all thinking about her hits over the years. We’re throwing it back to her biggest career moments, starting all the way back in the Mickey Mouse club.
