McDonald's in Dagenham Leisure Park, east London, on Thursday night when she went to take another handful of fries from inside the bag.
The 19-year-old was already halfway through her meal when she felt something cold on her fingers, presuming it was a red onion from her burger.
But as she looked more closely, the grisly intruder began to move and realised it was a slimy, live slug. The horrified singer threw it back into the bag and disposed of the food, but felt sick soon after.Now she says she has been left "shaken" and vowed never to eat at McDonald's again.The customer claims the Uber Eats driver left her meal momentarily on her doorstep and spoke to her from outside the gate.Photos appear to show the package was sealed so she believes.
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