Khloe Kardashian can't wait to welcome another "princess" into her family following the announcement her brother Rob Kardashian and his fiancee Blac Chyna are expecting a baby girl.
The couple revealed the sex of their unborn tot on their new TV show 'Rob & Chyna' and his big sister Khloe, 32, couldn't resist taking to Twitter to share her excitement about the impending arrival of another girl to the Kardashian clan.
She tweeted: "So excited to welcome another little princess to our family. Congrats Rob & Chyna! I love you both! #RobandChyna (sic)"
Rob's 35-year-old sibling Kim Kardashian West also logged on to the social media site to congratulate her 29-year-old brother and his 28-year-old partner.
She tweeted: "Congrats @robkardashian & @BLACCHYNA on your baby girl!!!!!! ... A girl!!!!!!!!!! how cute is she going to be!!!!!!! (sic)"
However, Rob's oldest sister Kourtney Kardashian, 37, stayed silent over the news on her Twitter account as did his younger half-siblings Kendall Jenner, 20, and Kylie Jenner, 19.
His mother Kris Jenner was one of the first to log on to social media to congratulate the couple on their girl news.
The 60-year-old momager tweeted: "IT'S A GIRL! So happy for Rob and Chyna! Can't wait to welcome this new little love bug to the world. #RobandChyna. (sic)"
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