Thursday, Arjun Sarin released an image of the Indian star with the caption “Rest in Peace”.
“No more words,” he added. “You will always be the best artist. ”
Police confirmed to CNN that Kakkar was a minor, and local media report that she was 16 years old.
It had nearly 2 million subscribers on TikTok on Friday and posted a video on the platform on Wednesday. Several of his downloads have had millions of views.
Most of Kakkar’s videos featured lip sync, recreations of popular memes, and short comedy sketches.
Indian actor Jay Bhanushali and famed photographer Viral Bhayani were among those who expressed condolences on social media, while several fans commented on Kakkar’s videos to express their sadness.
TikTok has soared in popularity in India, although it was blocked for two weeks by the Indian government earlier this year.
The app allows users to upload short videos to their subscribers and the wider community, and many users quickly follow huge subscriptions.
It has gathered more than 120 million users in India since its launch in 2016.