Kim's shower, on the other hand, was allegedly thrown together "last minute" on the same weekend Kylie had picked.
"Guests received an invitation earlier this week. It was a low-key celebration with family and close friends," an insider told the magazine of Kim's spontaneous baby bash, at which Kylie covered her baby bump with a jacket.
"Kim was excited to celebrate. She can't wait for her baby girl to arrive. They're still deciding on a name -- Kim asked guests to share their favorite names."
Neither Kylie or Khloe have yet to confirm pregnancy reports, although they've teased their followers by dancing around the subject on Snapchat.
Just last month, a third source explained to People that Kylie "still wants to keep a low profile" and "prefers to stay home" at the moment.
"Even though this is a very exciting time for her, she wants to be more private for now and is doing her best to stay out of the public eye," said the third source.
"She feels good, but her body is changing. She doesn't want to be photographed. At the moment, she wants more privacy. She has family and friends come to her house instead so she has company. She's very excited about the baby, though. She talks about the baby nonstop."
In addition to gossip surrounding Kylie's first pregnancy, fans have also been wondering if the Life of Kylie and Keeping Up with the Kardashians star is engaged to Travis ever since she flashed a huge rock on her left hand's ring finger while driving her Bentley to Kim's baby shower on Saturday.