The socialite is said to be taking skating lessons in order to take part in the upcoming eighth series of the ITV1 reality show.
"Tara is really keen to get on board and has been applying herself to learning the skating basics," a source told The Sun.
Palmer-Tomkinson denied reports last year that she had begun taking drugs again, after friends and family had voiced concerns.
ITV bosses are reportedly testing out a number of celebrities and will choose those with the most potential to take part in the coming months.
Jedward were recently touted as possible entrants for the next series, and may take part as separate contestants rather than a duo.
Former England football coach Glenn Hoddle and model-turned-bodybuilder Jodie Marsh are among those who have also been tipped to star in the eighth series in January.