The big reveal was not Kylie's pregnancy, however, but Khloe's.
In the episode, Khloe and her boyfriend, Tristan Thompson, told their family and friends that they were expecting their first child together during a barbecue, but because Kylie and Kendall Jenner couldn't attend, Khloe decided to FaceTime them.
Khloe Kardashian's pregnancy
Khloe Kardashian's pregnancy
Mommy and Daddy 📸 @sashasamsonova
Hey there Good Mama!
In my @goodamerican denim “The Home Stretch” 🦋 Good Mama 🦋
I’m so proud and excited to be launching maternity with @goodamerican #GoodMama! For all us new mommies dealing with our new changing bodies and for all you beautiful mamas to be! Dropping in Sizes 00-24 💕
All you new mommies and mamas-to-be are going to be so chic in your Good Mamas!! @goodamerican Just dropped in sizes 00-24 on goodamerican.com!!
I’m so excited for the launch of Good Mama!!! Who says pregnancy style can’t be sexy!? I am so proud of my @goodamerican maternity denim #GoodMama!! All you new mommies and mamas-to-be are going to be so chic in your Good Mamas!! Just dropped in sizes 00-24 on goodamerican.com!!
I had no idea where to get started when planning my baby registry! True story!! #ad Breast pumps, bottle sterilizers, and strollers?! OH MY!! I had to call in @KourtneyKardash for her expertise- luckily, @Amazon has everything in one place and made the process so much easier. Check out my registry at the link in my bio! #AmazonBabyRegistry #AllOnAmazon
Had the most unbelievable baby shower - we felt so much love! #ad So grateful to be surrounded by a beautiful support system. And special thank you to @Amazon for helping me bring it all together! More pictures to come! 💗 #AllOnAmazon #AmazonBabyRegistry
💗 Kyoto Khlo 💗 8 Month Bump 💗
💙 有難い 💙
💌 What’s meant to be will always find its way 💌
With great love... 💌
Baby mama KoKo! 29 Weeks and counting ❤️ Glam: @styledbyhrush Hair: @andrewfitzsimons Hair Color: @traceycunningham1
Shooting for Good American today with my Good Squad @styledbyhrush @andrewfitzsimons #GoodMama
💙Press day💙Tune into Jimmy Kimmel tonight!!!! Season two of revenge body premieres THIS Sunday on E!!! Hrush and Andrew are really serving!! The leeeewks! 💙
Congratulations My Sweet Kylie! What a magical ride it's been! I'll miss you bumping along with me. Never in a million years did I think we would do this together but it's been that much more special because of it. God is so great!! He had His plan all along! I love you little mama 💕 love big mama
My Ellen Show look! Press for Revenge Body!! Season 2 airs THIS SUNDAY!!! @styledbyhrush made me a bronze golden goddess. While @andrewfitzsimons went full on!! Bigger the hair- smaller the bump! Lol it's all about proportions! Glam killed it!!!
❥ Mom and Dad ❥
❥ Officially 6 months ❥
✨Merry Christmas!! May you sparkle and shine this festive season, may all of your wishes and dreams come true. I pray that we all may feel this happiness all year round. God bless you! ✨ #BabyBump🤗
My greatest dream realized! We are having a baby! I had been waiting and wondering but God had a plan all along. He knew what He was doing. I simply had to trust in Him and be patient. I still at times can't believe that our love created life! Tristan, thank you for loving me the way that you do! Thank you for treating me like a Queen! Thank you for making me feel beautiful at all stages! Tristan, most of all, Thank you for making me a MOMMY!!! You have made this experience even more magical than I could have envisioned! I will never forget how wonderful you've been to me during this time! Thank you for making me so happy my love!
Thank you to everyone for the love and positive vibes! I know we've been keeping this quiet but we wanted to enjoy this between our family and close friends as long as we could privately. To enjoy our first precious moments just us ❤️ Thank you all for understanding. I am so thankful, excited, nervous, eager, overjoyed and scared all in one! But it's the best bundle of feelings I've ever felt in my life! ❤️❤️❤️
LOS ANGELES, CA - DECEMBER 08: Khloe Kardashian is seen on December 8, 2017 in Los Angeles, CA. (Photo by SMXRF/Star Max/GC Images)
LOS ANGELES, CA - JANUARY 03: Khloe Kardashian is seen on January 3, 2018 in Los Angeles, CA. (Photo by SMXRF/Star Max/GC Images)
LOS ANGELES, CA - JANUARY 04: Khloe Kardashian is seen on January 04, 2018 in Los Angeles, California. (Photo by PG/Bauer-Griffin/GC Images)
LOS ANGELES, CA - JANUARY 04: Khloe Kardashian is seen at 'Jimmy Kimmel Live' on January 04, 2018 in Los Angeles, California. (Photo by BG017/Bauer-Griffin/GC Images)
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"Well, you missed the barbecue, and I really wanted to tell you something," the Good American designer told Kylie, who very quickly responded, "Are you pregnant?"
When Khloe confirmed the good news, Kylie sweetly responded, "Are you kidding? Because I'm going to cry!"
"That makes me happy! I'm so happy for you!" she added after Khloe told her not to cry.
Later on, Khloe and Kim even giggle over the fact that they're both having babies at the same time. Kim is expecting her third child with husband Kanye West via surrogate, with the soon-to-be bundle of joy expected any day now.
"It's different that we're doing it together," Khloe said, smiling.
After the episode, the Revenge Body host couldn't help but share how excited she was to not only have the secret off her chest, but that her major moment was documented.
"I'm SO happy we captured all this!! Such a blessing to have all of these memories forever! #KUWTK," she tweeted.
I'm SO happy we captured all this!! Such a blessing to have all of these memories forever! #KUWTK