A video was released in which the the 31-year-old "Smile" hitmaker was seen unconscious and then being carried off by rapper MC Meridian Dan, reported Digital Spy.
"Truth is I'm just a lightweight. I had two cans of strongbow on an empty stomach. I'm here now and I'm absolutely fine," she tweeted.
A fan also accused the media of trying to make the singer "self-destruct", to which she replied, "That's exactly what they want. But it won't happen.