The 24-year-old filmmaker will go up against Sunshine and Rachael on Friday night, when the public vote will decide who leaves the show.
Shabby currently has short odds of 1/3 to get the boot. Sunshine is rated at 11/4, while Rachael is expected to be safe with odds of 10/1.
In every summer series of Big Brother, the first housemate to be evicted has always been female.
> Shabby posed for mags, video