Lady Gaga sings "Happy Birthday" into girl's crotch

So Youtuber imyourhooker went to a Lady Gaga x Terry Richardson book signing, where for some reason, she wasn't allowed with her cell phone, so she hid it in her pants, while it was audio recording. Since it was her sister's and her dad's birthday, she asked Lady Gaga to whisper "Happy Birthday" into her crotch. This is the result:


via