We'll admit that we stopped paying attention to the new 90210 after they demoted Lucille Bluth, but it appears from these on-set photos that producers have figured out an exciting new guest star for their reboot: the Nip Slip! Our old friend N.S. shared scenes with show lioness AnnaLynne McCord, who we remember fondly for her work on Nip/Tuck (and who probably should have kept her nip tucked here, hey-o). Let this serve as a lesson to McCord: when filming a running scene, a bra (and the occasional hamburger) can provide invaluable support. Click through for the full, uncensored photo.