Question: What American hip hop recording artist, who joined Cash Money Records at the age of nine, worked with American music video director Hannah Lux Davis?
Sentence (from "Hannah Lux Davis"): Hannah Lux Davis (born May 17, 1986) is an American music video director known for working with artists such as Ariana Grande, Nicki Minaj, Miley Cyrus, Hailee Steinfeld, Fifth Harmony, Demi Lovato, Little Mix, Jessie J, Tinashe and Lil Wayne.
Relevant evidence: Yes