Rihanna

Hottest Song: "Take a Bow"

Before "I Kissed a Girl" began dominating, Rihanna was number one on the charts with "Take a Bow." (Girl power, much?) But the ballad wasn't RiRi's only big song this summer. Soon after, "If I Never See Your Face Again," Rihanna's collaboration with Maroon 5 was released and kept the breakup song theme going. And if that wasn't enough, "Disturbia" hit the airwaves in June, and while it wasn't as huge as "Take a Bow," it definitely made its mark on the summer.

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