On a dude's bald head, that's where! This is certainly a case of using what you've got. Rihanna found herself high in the air (apparently on her security guard's shoulders so she could see a show at Coachella better) when she really just wanted to get plain old high. Someone caught Ri Ri in the act and posted a collage of pictures to Instagram depicting the scene. We have to give it up to her, she most definitely inspires loyalty from her staff if this picture is any indication. Check out our nomination for the oddest place to roll a J yet this year: