Kanye West Pushes North West in Stroller While Kim Kardashian Celebrates French Montana's B-Day -- See the Pic!

Mr. Dad! Kanye West took on dad duty while wife Kim Kardashian was busy celebrating sister Khloe's boyfriend French Montana's birthday over the weekend. The "Black Skinhead" rapper was spotted at San Francisco's airport with his little girl on Sunday, Nov. 9. PHOTOS: North's fabulous life Wearing a grey sweatshirt and dark pants, the hands-on dad pushed a color-coordinated Nori in a stroller. North's mom opted for a different color scheme while celebrating French's 30th birthday. The reality star shared Instagram photos from the wild bash which was held at Mohamed Hadid's Bel-Air mansion on Sunday, in which she donned a black turtleneck and black leather skirt. Kim looked way more conservative than her sister Khloe, who went without a bra in a revealing thigh-slit black gown. PHOTOS: Kim and Kanye — the perfect match "Happy birthday @FrenchMontana #HeadOfMafia," Kim captioned a photo of herself with the birthday boy, who wore a white suit jacket and red tie. PHOTOS: Kimye's sweetest moments Kim was reunited with West in Los Angeles the following day on Monday, Nov. 10, and carried with her one of her birthday presents — the Hermes bag that North painted on! Read more:Follow us: @Dopecelebrities on Twitter | Dopecelebrities on Facebook