Charli XCX is an English singer and songwriter.
- LIZ toured with Charli XCX in 2013.
- The two of them gave each other nicknames—LIZ refers to Charli XCX simply as "XCX", and in return, XCX calls her "Y2K".
- They have worked together on songs such as "Burnin’ Up" and "Baby Boy”.
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