https://www.cnet.com/news/madonna-fedex-twitter-meme-julie-jokes-singer-whos-that-girl/

"When you've been arguing with fed-ex all week that you really are Madonna and they still won't release your package," she wrote, adding an emoji and hashtag. 

But she topped off the tweet with the ultimate proof that she is who she says she is, a photo that appears to have been taken at her kitchen table, with the singer wearing the oh-so-familiar frustrated look of anyone who's had to deal with this kind of red tape.