JoJo Siwa has gone viral on TikTok again, this time for calling out Justin Bieber for making fun of her first car in 2018. Siwa posted a video on TikTok that started off using the green screen effect to show her standing in front of a picture from 2018 when she posted her first car on Instagram.The text atop the video says, "POV you’re Justin Bieber when I got my first car…" The audio played over the video is from "Vampire Diaries" and features character Caroline Forbes saying, "Burn it. Did I say, ‘Stand there and look stupid?’ No, I said, ‘Burn.