The traditional Bajan event saw Rihanna hitting the streets in a tiny bejewelled bikini and fishnets and letting her hair down.
Well, metaphorically letting her hair down - she actually had her crimped locks pulled back to accommodate an impressive feathered headdress.
Riri seemed to be taking her new role as official tourism ambassador for Barbados seriously - if the carnival is even half as much fun as Rihanna makes it look we're guessing search engines must be creaking under the weight of "barbados holiday" queries.
What do you think of Rihanna's party attire? Let us know in the comments.