Neighbours is apparently planning to introduce Xanthe Canning's half-sister Jessie in the next 18 months.
And it looks like Lilly Van Der Meer is already gearing up for some sibling rivalry.
Colette Mann and Damien Richardson, who play fellow Canning members Sheila and Gary, revealed the casting news during a Q&A session. But they couldn't help let slip Xanthe/Lilly's true feelings about it.
"Xanthe has another girl, Jessie, who is her sister. And she may come in in the next 18 months," the pair said. "And Lilly Van Der Meer is not too thrilled, let me tell you."
We assume they meant Lilly's character isn't too thrilled...
Jessie is the other daughter of Xanthe's mum Brooke Butler, played by Aussie radio host Fifi Box, who made her debut on the soap last week.
Fans will have to keep their eyes peeled for more casting news in the future, but Xanthe could be getting another sibling as well, as Damien speculated over whether Gary could have a child with Terese.
You'll have to watch the video above to see whether this is an actual possibility though.
Digital Spy