By Adam Wareing & Danielle Kate Wroe A woman was left bamboozled when she found herself at the helm of a drama she didn’t even realise she’d unknowingly orchestrated – thanks to an accidental optical illusion in her selfie. Rebecca Mcgonigle, 25, posted a picture of herself sitting in her room on social media, but was left baffled when her comments section was quickly flooded with messages of congratulations, as pals thought she’d had a “surprise baby” – but it was just hilariously her knee that looked like a newborn’s head. The PhD student said that a pal messaged her within a couple of minut…