Millie had a birthday-wishes email last night from the foster carers in Northumberland in whose house she was born.
They also sent photos of Millie's sister Luna, and of Banjo, their latest rescued cat, who had been taken in as a 3-week old kitten with meningitis, and who is now hale and hearty, but, sadly, blind.
Here they are.
So, can you see the sisterly resemblance between Millie (below) and the tabby (above)?
Well, you're wrong.
Meet Luna. Big sister.