Caitlyn Jenner's son Brody, 36, is dating another bombshell blonde (and she is only 20)... after splitting from Kaitlynn Carter then Josie Canseco

Now the Hills: New Beginnings star is with bikini model Allison Mason, according to UsWeekly . The star, 36, and the model, 20, have been seen together for the past few weeks.