Khloe Kardashian has been slammed by fans after joking brother Rob Kardashian was the father of her son Tatum.The 39-year-old and ex Tristan Thompson welcomed Tatum in 2022, and the Good American founder opted to use a surrogate to extend her family, as the former couple were already parents to daughter True, 5. However, she panicked over a possible mix-up at the surrogacy agency when she realised Tatum didn't look like her or his basketball player father.