Question: What American artist uses the bodyguard services of Icon Services Corporation and is widely known as the Queen of Funk? 
Sentence (from "Chaka Khan"): Chaka Khan (born Yvette Marie Stevens, March 23, 1953) is an American recording artist whose career has spanned five decades, beginning in the 1970s as the frontwoman and focal point of the funk band Rufus.
Relevant evidence: Yes