Lydia tweeted a picture of the twosome playing with sparklers at a bonfire night display on Sunday evening.
Both girls were wrapped up warmly for the occasion. Lydia looked stylish in a cream sequined jumper while Ferne stood out in a black hat.
"Day 14. Celebrating bonfire night early with @fernemccann #100DaysOfHappiness #Sparklers #fireworks" wrote Lydia, who has been posting pictures of the things that make her happy each day.
Lydia made no mention of her love interest James 'Arg' Argent, who has been suspended from the show.
The former couple had been on the verge of getting back together, however Arg's latest antics may have thrown a spanner in the works.
While Lydia hasn't commented on the scandal, she has recently been pictured partying with her sister Georgia as well as Ferne.
She and Ferne, who tweeted a selfie shortly before their night out, have been supporting their pal Jessica Wright since her split from boyfriend Ricky Rayment.
Ferne was seen hurling insults at Ricky during last night's show as the group attended a Halloween party.
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