Question: Which rapper put out an album that featured a guest appearance from a hip hop artist that had won Best Grime Act at the 2014 and 2015 MOBO Awards?
Sentence (from "Stormzy"): Michael Ebenazer Kwadjo Omari Owuo, Jr. (born 26 July 1993), better known by his stage name Stormzy, is an English grime and hip hop artist.
Relevant evidence: Yes