Kanye West and Kendrick Lamar have both had themselves a very busy 2015 thus far. For Kendrick he's dropped his highly-anticipated sophomore studio album in To Pimp a Butterfly and Kanye has kept himself busy with fashion, multiple interviews, "All Day", a guest verse here and there and his new album So Help Me God is forthcoming. And now the two join forces on 'Ye's "All Day" remix. Kendrick Lamar provides a full verse despite the inital leak only containing a part of it. You can check out Kendrick's full verse on 'Ye's "All Day" after the jump.