Beyonce Knowles is a famous American R&B singer, songwriter and actress who started her career at a very early stage. She also endorsed some of the most famous brands in the world like Pepsi, Tommy Hilfiger, Armani and L'Oréal. She also attained five Hot 100 number one singles and is one of the two female artists with most number ones in 2000. On 9th December, 2009 she is named as the Billboard’s Top Female Artist of the Decade and 4th Artist overall.