Charli XCX

Charli XCX is an English singer and songwriter.

Friendship

 * LIZ toured with Charli XCX in 2013.
 * The two of them gave each other nicknames&mdash;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”.