Paddy McGuinness shared a laugh with his Instagram followers after hearing a "rustling" in the middle of the night.
The TV presenter lives in Cheshire with his wife Christine and their three children, eight year-old twins Leo and Penelope, and five year-old Felicity.
The family also has a number of pets, including a cat called Millie.
READ MORE: Kerry Katona's anguish as family forced apart for Christmas
The stray cat wandered into the McGuinness' home one day, and after the family checked he didn't belong to anyone else, they decided to keep him.
He was affectionately called Millie by the children - before they realised he was a boy - and the name has stuck.
Paddy said the cat has "free reign of the house".
Sharing an unusual photo on Instagram, the dad-of-three told of something he found in a Tesco bag last night.
Captioning the post, he said: "My Cat Millie has got a perfectly good bed and pretty much free reign of the house.
"I heard a rustling last night, popped my head over the banister and discovered this.
"Zoom in. My Cat is jokes.#wednesday #catsofinstagram"
The photo shows Millie curled up in a Tesco carrier bag - and his followers were quick to comment.
sammy_leahy said: "It’s a cat thing. Boxes/bags - straight in. Beds you buy them - nah, they prefer your bed, the sofa, or any chair you want to sit on!"
stu1089 said: "A wise cat once said 'if I fits, I sits'."
rubylouise86 said: "Cat logic 101"
lpjames11 said: "Well the bag does say Reuse, Repeat".
Receive newsletters with the latest news, sport and what's on updates from the Liverpool ECHO by signing up here
