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Carly Rae Jepsen has become a worldwide pop star with the success of her single "Call Me Maybe."

Jennifer Lopez emerged as a pop star in 1999 when her first single went straight to #1. This is a guide to her 10 top pop songs.

Jessie J first gained acclaim as the co-songwriter of Miley Cyrus' hit "Party in the USA." As a solo artist in her own right she hit the top 3 in the UK with her first two singles "Do It Like a Dude" and "Price Tag."