Netflix has already launched the careers of numerous young actors who could be the next generation of movie and TV stars, and their Instagram followings since gaining fame show just how popular they are with audiences.In fact, Netflix has been so successful at this of late that it spent a big chunk of its latest letter to shareholders taking a victory lap.In the letter, distributed Tuesday, the streaming giant said, "When our service helps our talent develop huge fan bases (from small followings to over 10 million Instagram followers), we can attract the best talent in the world.""This explosive growth in popularity is a good indicator that our shows and stars are breaking out around the planet," it added.Stars like Millie Bobby Brown of "Stranger Things," Katherine Langford of "13 Reasons Why," and Noah Centineo of "To All the Boys I've Loved Before" have well over 10 million followers on Instagram. And that's especially important in today's Hollywood landscape."Followers should be FAR more important to talent in Hollywood that Nielsen ratingsfollowers last beyond your current creative project," BTIG analyst Rich Greenfield wrote on Twitter.Here are 10 young stars under 30 from Netflix movies and TV shows, with their followings from before they were famous compared to now (as of October 4), according to Netflix:Below are 10 popular Netflix actors who could be the next generation of movie stars:SEE ALSO:Warner Bros. triumphed over Disney in public sentiment after hiring James Gunn for 'Suicide Squad 2'Millie Bobby BrownNetflix show: "Stranger Things" (Eleven)Age: 14Instagram followers before Netflix debut (2016): 0Followers now: 17.6 millionBrown rose to stardom with her acclaimed performance as Eleven on "Stranger Things." She has been nominated for an Emmy twice for the role, and is among the youngest actors to ever be nominated at the Emmys.Gaten MatarazzoNetflix show: "Stranger Things" (Dustin Henderson)Age: 16Instagram followers before Netflix debut (2016): 0Followers now: 8.8 millionMatarazzo was in an episode of "The Blacklist" prior to "Stranger Things," but the latter is his first major role and has shot him to fame.Finn WolfhardNetflix show: "Stranger Things" (Mike Wheeler)Age: 15Instagram followers before Netflix debut (2016): 100,000Followers now: 11 millionBesides Brown, Wolfhard may be the most recognizable of the "Stranger Things" child actors, having also starred in last year's film adaptation of the Stephen King novel, "It." He'll also star in its sequel, set to come to theaters next year.See the rest of the story at Business Insider Click here to read full news..