I'm A Celebrity...Get Me Out Of Here! is back and royal biographer Lady Colin Campbell is one of the 10 celebrities who have been picked to enter the jungle this year.

She's been voted by the public to take part in the first bushtucker trial of the series called Disaster Chef alongside Hollyoaks actress Jorgie Porter, but who is Lady Colin Campbell? The aristocrat who was raised as a boy until she was a teen and the author who penned books on Princess Diana?

Here is everything you need to know about Lady Colin Campbell.

Lady Colin Campbell has been voted to take part in the first bushtucker trial

Full name: Georgia Ariana Campbell

Age: 66

Born: In Jamaica with a genital defect which led to her being raised as a boy, George William, until her teenage years. Her family did know that she was female and she had corrective surgery at 21.

In 2013, Lady Colin Campbell said: "Our family was extremely well known and we would have done anything to avoid an embarrassment."

Known for: Writing controversial biographies on Princess Diana and the Queen Mother.

Lady Colin Campbell's 1992 book about Princess Diana called Diana in Private: The Princess Nobody Knows detailed her affair with James Hewit and her struggle with bulimia. However, the book was "dismissed as fantasist" until the claims were backed up by other royal biographies.

Married: Lord Colin Campbell in 1974, although the pair were married for less than two years she decided to keep his name.

Children: Twin boys Dima and Misha who she adopted from Russia are now in their early twenties

Lady Colin Campbell has penned various royal biographies

Everything else you should know...

Lady Colin Campbell previously revealed how her parents injected her with male hormones and she also claimed that her father tried to encourage her to commit suicide by saying the "solution" to her problem was "rat poison".

She also wrote The Real Diana in 2005, which was a republication of her 1992 book with new sources, The Royal Marriages: What Really Goes on in the Private World of the Queen and Her Family in 1993 and Daughter of Narcissus: A Family's Struggle to Survive Their Mother's Narcissistic Personality Disorder in 2009.