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Kim Kardashian, Kourtney Kardashian

With Kourtney Kardashian pregnant with her second child, her sister Kim Kardashian spotted her nephew Mason Disick, 2, as he boldly maneuvered the jungle gym at a playground in Malibu. Kourtney recently announced that she's having a girl. (5/6/2012)

Celebrity Family Time

Stars from Heidi Klum to Kourtney Kardashian spend quality time with their adorable little ones over the weekend.