Tulisa's 'The Female Boss' tattoo, displayed by the singer at the beginning of each X Factor show, is being investigated by Ofcom.
Last month, Tulisa launched a perfume which bears the same name of her tattoo.
The Guardian reports that the media received complaints that the tattoo breaks rules on "the promotion and reference of commercial products by talent''.
This isn't the first time The X Factor has got in trouble with Ofcom. Last year, the show received thousands of complaints following performances by Christina Aguilera and Rihanna.
Rihanna's performance of 'We Found Love' on last night's show also brought a few complaints, due to the words 'Fuck Off' being written on her shoes, although there is no news yet on whether she plans to release a perfume of the same name.