United Kingdom, May 23 -- JoJo Siwa was warned not to sign up for 'Celebrity Big Brother UK'.

The 22-year-old singer/dancer was among the famous faces who entered the Big Brother house to appear in the fly-on-the-wall reality TV show alongside stars including Mickey Rourke and Chesney Hawkes, but JoJo has now revealed her team "tried to discourage" her from taking part.

She PEOPLE: "It's funny because going into the experience, nobody on my team wanted me to do it and everyone tried to discourage me from doing it.

"But for some reason, I was really set on doing it."

JoJo added: "Right before I went in, the last thing I told my mom is, I said: 'Mom, I think this is going to be the best thing I've ever done in my life.'

"And I wasn't s...