The 26-year-old has been snapped getting pretty cosy with Blue singer Lee Ryan – sparking rumours thatAlon the pair are an item.
Alongside one photo, Monica wrote: “Me and the baby… Love this guy so much #LeeRyan [sic].”
In another picture, Monica posed with her head tucked into Lee’s shoulder, looking very comfortable.
However, a source from The X Factor reportedly told The Sun: “Monica is friends with all of the boys from Blue.”
Monica celebrated her birthday yesterday, ahead of the judges’ houses round of the show airing this weekend.
Along with the five other girls in her category, Monica will perform in front of Rita Ora and guest judge Meghan Trainor for a place in the live finals.
Blue tweeted her this week, writing: “Wishing a very happy birthday to our girl @monicamichaeluk & good luck this weekend on @TheXFactor – we believe in you!”
Do you want to see Monica in Rita’s final three? Let us know on Facebook and Twitter.