Footage shows Paddy Jackson and Stuart Olding arriving at Belfast Crown Court.
Jackson (26) was also found not guilty of sexually assaulting the then 19-year-old woman.
The rugby players' close friend Blane McIlroy (26) has been found not guilty of exposure.
A second friend, Rory Harrison (25), has been found not guilty of perverting the course of justice and withholding information.
After three hours and 45 minutes of deliberation, the jury of eight men and three women returned to courtroom No 12 shortly after noon and told the judge they had reached a unanimous verdict on all counts.