Recently, Britney Spears sparked confusion when she posted on Instagram claiming to have adopted a baby girl named Lenin London Spears, but it turns out the pop star was just joking. Despite initial speculation that she may have meant adopting a pet or even a child, sources confirmed that Britney wasn't serious, and she's simply having fun with her fans—though her social media antics continue to raise eyebrows. Let’s break down the truth behind Britney’s latest controversial post…