"When she calls me, it's the same voice as Bruce"
"I just got the blood test back and I am pregnant!" Kim, 34, told her sister Khloe in a video clip for the television show Keeping Up with the Kardashians
Khloe Kardashian was named as North West's godmother when she was baptised
"Rob definitely has his ups and downs, and he's been struggling for the past year-and-a-half, maybe two years, which I think we've all had those times in our life," Khloe said