Is Ali a plant ?
 

Just speculation

No.

Yeah, a prickly Cactus.

Enchanted Forest® Gay Goblin™ Pieris
Pieris japonica 'Cabernet'

https://www.monrovia.com/media/catal..._7_6_7635.jpeg

No

Only in as much as they all are... I mean, they all receive direction from the producers and whatnot, especially when things are a bit flat (See; Nathan trying to repeatedly get a debate about Farage and/ or Trump going, though no one was biting).

But is she an actor recruited by BB and part of the production staff? Nah.

That's the big thing BB is hiding from us.

I do miss fake housemate twists though. I need another

Even a cactus is more friendly.