Dad on duty Kanye West takes North to ballet… while Kim Kardashian rests after revealing doctors have warned her over 52lb pregnancy weight gain

With Kim Kardashian feeling the strain of pregnancy,Kanye West has been stepping up the daddy duties. The 38-year-old rapper-turned-designer was seen taking the couple’s adorable two-year-old girl North to ballet class in Los Angeles, California on Wednesday. Joining the duo were Kourtney Kardashian and her daughter Penelope, three, who provided the perfect companion to the tutu-clad North