Drianna Styles (born May 5, 1997), known professionally as Bootychaaain or AOK, is an American recording artist based in Richmond, Virginia.

Bootychaaain is most known for rapping on tread beats — a subgenre of rap consisting of fast BPMs and tempos — and her song “milkshake” which was remixed by Playboi Carti. She is also well-known for her relationship with SICKBOYRARI. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.