Luke Christopher Hubbard (born May 8, 1993) is an American rapper, singer, producer and songwriter.

Early on in his career, Christopher was discovered by Music Executive Ron Fair and Jimmy Iovine his senior year of high school.

[8][9] In 2013 he signed a record agreement with ByStorm Entertainment / RCA by Mark Pitts and Peter Edge.

[12] On January 24, 2015 Christopher's song "Lot to Learn" entered the Billboard Twitter Emerging Artists Charts at 28.

While YSTRDY contains remastered songs from old projects, TMRW features new content including the hit single "They Know".