Question: During this Grammy Awards event, where Kanye West, Adele, and Bruno Mars had several nominations and West's album had a prestigious award, which American rapper, actor, author and entrepreneur from Queens, New York was the host?
Sentence (from "54th Annual Grammy Awards"): – Countdown to Music's Biggest Night", a one-hour special broadcast live on CBS from Nokia Theatre at L.A. Live.
Relevant evidence: No