US reality star Kim Kardashian has once again found herself in hot water with fans after allowing her daughters North and Chicago - both under the age of 10 - to go live on TikTok.The mother-of-four, 42, joined her eldest daughter North, nine, and youngest little girl Chicago, five, on the live social media app, which is reserved solely for individuals aged 13+, to film a dance routine together.Thousands of fans quickly tuned in during the session when the Keeping Up With The Kardashians frontwoman went live with her children - all of whom she shares with ex husband Kanye West. Kim also allowed viewers to send her "gifts", which can be converted into actual money, despite being from a billionaire family.