Surgeon General Jerome Adams had earlier requested Kylie and other social media influencers to help their followers understand the gravity of the situation.
The surprise performance was recorded and uploaded on Instagram by Kim Kardashian, who attended with daughter North West.
Meghan Markle is rumoured to be back to show business after royal exit.
Children of the two famous couples reportedly played together during a recent party in Los Angeles.
Jenner made the remark when she was doing her sister Kim's makeup in a new "Get Ready With Us" video that the pair recorded for her YouTube page.
Before ringing in the birthday celebrations, Kim posted a special message for her "smart sassy and silly" daughter on social media.
The makeup mogul and the rapper, who split in October, will be celebrating Christmas with daughter Stormi Webster in Los Angeles as a family.
Kim Kardashian admits that she does not know if Kylie Jenner and Travis Scott are back on after the beauty mogul was spotted with a large ring on her finger.
Kanye West and Jay-Z might have put their differences aside for good, as they were pictured together at the star-studded night on Saturday.
Daniel Radcliffe says that Meghan Markle must really love Prince Harry to allow herself to live a crazy life under British media scrutiny.
Kim and Khloé complained that they are not aware of what the 40-year-old has been upto and said they are tired with Kourt for not filming as often as they do.
Rodriguez is co-stars with JLo and Kim in the marketing campaign for Portal from Facebook, the smart video-calling system, with which he has partnered.
Kim said that though only the Duke and the Duchess of Sussex can understand the situation they are in, she would want the "safest place" for them.
Kanye West opened up about his faith, his marriage, and his family in an interview with James Corden.
In an interview on Apple Music, Kanye West discussed his devotion to Christianity and the inspiration behind the upcoming album -- "Jesus is King".
The audience laughed when Kim Kardashian and Kendall Jenner said that their family knows that reality TV is about real people.
The 2015 MTV VMA drama led to the trending hashtag #TaylorSwiftIsOverParty, and Swift went off the public eye for a year.
Kourtney Kardashian spoke about the rumours surrounding her departure from KUWTK and also shared her thoughts on sister Kylie Jenner's billionaire status.
Doctors confirm that reality TV star Kim Kardashian is suffering from psoriatic arthritis.
In the new super teaser of "Keeping Up with the Kardashians", Kim tells her mother Kris Jenner about having lupus, while the latter consoles her.
Alice Marie Johnson, a convict serving life sentence because of her involvement in a drug case was freed by Kim Kardashian from prison.
Kim faced a severe backlash of cultural appropriation when she named her line after Japanese traditional dress 'Kimono'