Kim Kardashian’s ex Reggie Bush admits it drove him ‘crazy’ when he found out Kim was dating Dallas Cowboys receiver Miles Austin. In an upcoming episode of Keeping Up With The Kardashians, the 30-year-old faces some drama when her ex Bush, 25, discovers she is involved with someone else. Reggie gets angry when he phones the reality TV star up. He said: “I just felt like, f**k, it’s literally driving me crazy. “It is what it is but you’re on your own now.” The conversation between Kardashian and Bush takes place in front of Kim’s sister Khloe, 26, and brother Rob, 23, as she put him on speaker phone. The episode airs in the US on Sunday.