Happy birthday, Madonna! The Queen of Pop turns 55 on Friday, Aug. 16.
Over her three-decade-long career (her debut album was released in 1983), the pop queen has sold more than 300 million records worldwide, amassed a collection of No. 1 singles and gone through many a style evolution. (Who could forget the cone bra?)
Now a mother of four, the original Material Girl is showing no signs of slowing down. Her "MDNA" tour last year was the highest-grossing tour of 2012.
On her Instagram page, Madonna thanked fans for their birthday wishes and asked them to celebrate by donating to Raising Malawi, the charity she co-founded to help end the poverty and hardship endured by Malawi's orphans (Madonna's two youngest children, David and Mercy, were adopted from the African country).