Gogglebox viewers have commented their surprise after star Sophie Sandiford shared an image of her mum on Instagram.
Blackpool lass Sophie stars on the show alongsider her brother Pete.
Gogglebox is airing each Friday night at 9pm on Channel 4, with episodes each week.
On Insta today, Sophie wished her mum a happy birthday - writing: "Happy birthday to the best mum ever.
"We’re all so lucky to have you and so grateful for everything you do for us! Have a brilliant day! Love you always @juliejohnson31."
Gogglebox co star Ellie Warner was among those wishing Julie a fantastic day.
"Happy birthday @juliejohnson31 hope you have a lovely day," wrote Ellie.
Paul Chuckle wrote: "Happy birthday Jules .. hope Paul is spoiling you rotten, with love from both of us, have a great day xx"
Michelle Hardwick wrote: "Ahhh happy birthday lovely @juliejohnson31 Hope you have a fabulous day"
But other fans were left stunned by her mum's appearance.
One wrote: "She looks like your sister."
"She looks more like your sis than mum," commented another.
Sophie, 24, appears alongside her older brother Pete, 26, in their Blackpool home as they give their opinions on the weekly TV - and much more.
And in her personal life, the reality star has embarked on an exciting new chapter since losing her job in retail.
"My goodness. She looks more like your sister than your mum. Happy birthday honey," wrote another fan.
"wow Sophie, you’re her double! I bet you’ve heard that a trillion times. Happy birthday Julie," said another.
