Judging from the photo the singer posted to her Twitter page on Saturday, of herself standing atop an ottoman, screaming, we're guessing a lot. "Great night last night. Thanks to everyone who celebrated with me. & yes I did get a big booty hoe 4 my birfday," Cyrus wrote, referencing 2 Chainz's "Birthday Song." She officially turned the big 2-0 on Friday, Nov. 23.