From Longman Dictionary of Contemporary Englishentourageen‧tou‧rage /ˈɒntʊrɑːʒ $ ˈɑːn-/ noun [countable usually singular] GROUP OF PEOPLEa group of people who travel with an important person the president and his entourageGRAMMAR: Singular or plural verb?Entourage is usually followed by a singular verb: Her entourage goes everywhere with her. In British English, you can also use a plural verb: Her entourage go everywhere with her.
Examples from the Corpus
entourage• He sent waggon-loads of treasure and a great entourage of knights to Saragossa with requests for a formal reconciliation.• Burnell and his entourage are coming north.• The six-day trip will take the mayor and his entourage to Tokyo, Oct. 20-21.• Mr. Stallone and his entourage arrived half an hour late.• Their requests were modest; they merely asked him to broaden his entourage, and they even offered to serve him.• The train has its own telephone exchange and electricity generating car, plus office accommodations and restaurant cars for the royal entourage.• Their entourages were veritable armies of halberdiers, gunners and servants accompanying their master on his journey to the capital.Origin entourage (1800-1900) French entourer “to surround” 