David Letterman loves ripping on Spencer Pratt.
Then again, so do we, and there's certainly enough material.
Last night, Mary-Kate Olsen visited The Late Show to promote her movie, The Wackness, but the conversation turned to - who else - Spencer Pratt.
During a lull in conversation, Letterman began ripping on "young Hollywood" and all the celebrities going to jail, wearing no panties, and so on.
Turns out Mary-Kate attended prestigious Crossroads School in Santa Monica, Calif., with Spencer (other alumni include Gwyneth Paltrow, Kate Hudson, Jack Black, Brody Jenner, Whitney Port, Jonah Hill, Cash Warren and many more).
According to Mary-Kate, Spencer is indeed "wormy" and "oily" (Dave's words) and used to storm off the soccer field in hissy fits! See clip below ...