We all know Kris Jenner inserts herself into all of her children's affairs. She is their momager, after all. So are we surprised at all that she's on the set of The X Factor with Khloe's co-host Mario Lopez? Here she is looking real cozy with Mario, tweeting, "Prom date at XFactor with @mariolopezextra." For someone who just celebrated her 57th birthday, we're sure she is joking about the prom date.