The guests -- which reportedly included Maria Menounos, Kelly Osbourne, Melanie "Mel B." Brown, Kimberly Stewart, and NeNe Leakes, who all have recent ties to reality television -- arrived around 11AM and enjoyed a brunch complete with pancakes, waffles and fruit prior to playing games.
"Kanye's whole family, all the women from his mom's side and dad's side, attended the shower," a source told People. "Kanye was so excited to have his family be there to join in the celebration with Kim's friends and family."
"Kim and Kanye were so cute -- he rubbed her belly," Kardashian's aunt Karen Houghton explained. "They're just really blessed. It's such a happy day."
During the event, Kris Jenner gave an emotional champagne toast in honor of her daughter's pregnancy and having everyone gathered together.
"She gave a speech and said she couldn't believe her baby is going to be a mom," a guest told E! News.
Kardashian reportedly wore a long-sleeve pleated dress to her shower and gave her guests wreaths made of baby's breath to wear around their heads.
A source told Us Weekly, "The sisters were dressed as garden goddesses!"
An eyewitness also saw large white tulips and roses being delivered to the home of Shelli Azoff, a friend of Kardashian's who hosted the party, according to Us.