Dwayne Johnson is no longer the highest-paid Instagram celebrity. A report by the BBC once listed “The Rock” as Instagram’s most valuable star. With 187 million followers on the app at the time, the wrestler-turned-mogul commanded more than $1 million per post from potential sponsors. At the time, too, the BBC reported that Cristiano Ronaldo commanded about $889,000 per post, while Kim Kardashian commanded around $858,000 per post. Interestingly, however, the outlet said that all these numbers were approximations. As such, there was no way to really know who was the highest-paid Instagram celebrity. “The rankings and cost per post were arrived at after speaking with so-called social media “influencers” themselves, along with brands and marketing companies, and using publicly available pricing information to estimate how much each account could charge,” they said. “However, marketers tend to be secretive about how much they pay, or the posts may be part of a wider deal – as is often...