Every year, millions of high school prom photos are taken, with most of them consigned to the dust heap of history. But a precious few freeze a moment in the life of a future star. Imagine how the lucky guy or gal next to that celebrity feels, knowing they’ll be immortal? Like this kinda creepy prom photo of Britney Spears (is that guy her DATE???) As this year’s crop of future luminaries gets ready for the big night, let’s take a look back at 30 of the best celebrity prom photos from the past.