Even after Instagram changed its terms of service - then changed everything back again - last year and everyone became really annoying and melodramatic and said they'd be leaving the app for good, it's still super popular and going from strength to strength, whether you're a posing nobody, a brand, an organisation or a celebrity.
The great thing about celebrities being on Instagram is that we feel like we're REALLY getting a sneak peek into their fancy, showbiz, car crash lives, which is much more appealing than reading unsubstantiated gossip. Well, sometimes.
There are a LOT of cool celebrities using Instagram right now, but here's our pick of the top 10 "teen idols". We're not entirely sure what that means, but they're young, young people are obsessed with them and as irritating as many of us find them, their Instagram snaps are sometimes pretty fascinating for all the wrong reasons. Oh and feel free to add your favourites in the comments:
The most amazing or annoying person on the planet depending on your music taste and age shares all kinds of crap on Instagram, from photos of his torso after he's been working out to interesting behind-the-scenes from his shows and gratuitous selfies for absolutely no reason. Follow him: instagram.com/justinbieber