Way to break the news, Kim K. -- letting it slip oh-so-casually in two Father's Day posts. Kardashain, the reality TV star, announced she and her rapper hubby, Kanye West, are having a boy in messages on Twitter and Instagram late Sunday night. "You're such a good daddy to North," Kardashian said in a tweet directed at her other half, "& you will be the best daddy to our new son too!"