An 18-year-old man is due to appear before Belfast Magistrates' Court today charged with aiding and abetting rape.
The teenager is also charged with administering a substance with sexual intent.
Both charges relate to an incident in the Victoria Square/William Street South area of Belfast city centre on September 28.
A 17-year-old, who cannot be named because of his age, appeared in court on Saturday charged with offences including rape and sexual assault.