Mr. Holmes at it again

[said]

Can you see the cat? Don't publish your answer on site - PM me!

[Toodles McGinty]

Think so. but I won't say so.

I'll write it below in white so you have to highlight it. Don't look if you don't want to see the answer. Cos it might not be the answer anyway :

I can see a vague cat shape near her left shoulder if I spin the pic around to the left 90 degrees.