MIley, Pam Anderson Yeah, That Happened

12/20/2015 7:43 AM PST

Pamela Anderson joined Miley Cyrus in concert Saturday night and the youngster took a page out of Pam's nudity playbook ... and then some.

MIley flashed a lot and Pam look hard as they played to the crowd at the Wiltern.  And speaking of the crowd, you gotta watch the video.