For reality star Kim, a baby on the way was the perfect opportunity to be lavished with luxury gifts from her wealthy friends during a glam baby shower, which included a £700 cashmere baby grow for the unborn tot.
Meanwhile Tamara recently flew (by private jet, obvs) to the south of France, where she spent a hefty chunk of billionaire dad Bernie Ecclestone's cash on her lavish wedding to Jay Rutland.
It's thought Tamara spent £3.5milion on the entertainment alone! After her sister's £12million nuptials in 2011, Tamara said: "Petra's wedding was the best I've been to. I wouldn't know how to make it as glamorous!"
Erm, we think you've succeeded Tamara!
Catch the full story on Tamara and Kim in this week's Reveal, it's out now.