'Serial Cheater' Tristan Thompson's Friends Aren't Surprised He Was Unfaithful To Khloé Kardashian: 'They All Know'

Once a player, always a player. As we reported, Tristan Thompson appeared to be kissing a mystery woman over the weekend — reportedly identified as strip club worker Lani Blair — at an NYC nightclub while pregnant Khloé Kardashian stayed home in Cleveland. It only got worse when the baller was also caught on surveillance video