Reality show star Whitney Port – who became famous on the hit MTV show The Hills – was informed by a doctor last week that her recent pregnancy had ended in miscarriage.The American star has since opened up on her grief, and revealed how she explained the miscarriage to her four-year-old child Sonny. Speaking during her podcast With Whit, she talks about learning that her pregnancy was ‘not viable’ in a moving chat recorded on the same day she was given the devastating news.