Net worth: £1.3m

Gabby was on series three (2017) of Love Island, finishing on fourth place alongside Marcel Somerville.

The Liverpudlian was already a personal trainer when she went on the show but since broadcast, she’s established an online personal trainer business. The business is made up of the digital Shape Up workout plan and a series of fitness retreats called Shape Up Retreats.

Allen is also guilty of having an Instagram post banned due to an undisclosed commercial partnership with Primark. The Advertising Standards Authority said that it was “ambiguous and doesn’t really explain her relationship with Primark.”

She also made an appearance on Celebrity Big Brother in 2018, where she reached the finals and ended in sixth place.