12 Unforgettable celebrity photos that broke the internet..

10. Best Buds Bieber And Smith

This is another classic that did make the list because it is still one of the most viewed images on the net; an image of two of the most unlikely friends, or acquaintances, that may or may not have been a PR stunt. At 1.5 million Likes on Instagram within the first year after it was posted, this buddy-gram was actually the most popular Instagram shot of 2013. Skepticism aside,Kevin Systrom, CEO of the wildly successful photo-sharing social media app believes this image went viral because the unlikely pair look to be having a genuinely good time—something that’s missing from so many popular celebrity pics these days.