Charli XCX:
$4 million
Charli XCX is a British singer-songwriter. She started her recording career in 2010 after she was signed with a label. Three years later, she released her first ever studio album True Romance. It spawned the songs “You’re the One” and “Kiss Them for Me”. Subsequently, she released her second album called Sucker. One of the singles here, “Boom Clap”, was used for the soundtrack of the movie The Fault in Our Stars. It was also included in UK Singles Chart’s Top Ten list. She has also collaborated with Icona Pop’s “I Love It” and Iggy Azalea with “Fancy”.