Code switching and code mixing commonly happen to a speaker who speaks two or more language. Mostly code switching and code mixing occurs in oral speech. This research aims to describe code switching and code mixing on “Breakout” special episode of Jessie J.’s oral speech of host and guest star are the objects of this research. They often do code switching and code mixing on their oral speech. This study uses descriptive method. Technique of analyzing data is focused on host (Boy William) and guest star’s (Jessie J.) speech so we could know code switching and code mixing that happen also the factors itself. The result shows that there are seventeen code switching and code mixing’s data. There are three intern code switchings, seven extern code switchings, two word code mixings, and five phrase code mixing. Some factors which cause code switching and code mixing from “Breakout” are speakers and topic.