August 2026 saw a remarkable spike in follower growth across ten U.S. Instagram accounts, according to data compiled by Net Influencer and verified by HypeAuditor. Four of the top spots were directly linked to Disney’s D23 Expo, underscoring the power of major entertainment events to drive social‑media engagement.
Marvel and Disney Lead the Pack
Sadie Sink (@sadiesink_) topped the list, gaining +2.1 million followers for a total of 34.8 million in August. The surge followed her appearance at Disney’s D23 Expo on Aug. 14, where she promoted her role as Jean Grey in the upcoming X‑Men film and the newly announced “X‑Men” movie. The exposure helped cement her status as a rising star in the Marvel franchise.
Robert Downey Jr. (@robertdowneyjr) added +1.0 million followers, reaching a total of 58.7 million. Downey’s presence at D23 included a preview of “Avengers: Doomsday,” slated for a December release, and the announcement that he will portray Doctor Doom in the sequel.
Marvel Studios (@marvelstudios) itself grew by +696 K followers, bringing its August total to 65.1 million. The studio highlighted new footage from “Avengers: Doomsday,” the upcoming Vision series “VisionQuest,” and the reveal of the new X‑Men cast.
Navarrette, revealed as Rogue at D23, contributed to the Disney‑driven momentum, though her specific follower gain was not listed, she remains a notable breakout talent from the event.
Celebrity Moments Fuel Growth
Dolly Parton (@dollyparton) rose to the No. 2 spot with a gain of +1.5 million followers, totaling 10.1 million. The posthumous surge followed her death on Aug. 25 after a brief battle with cancer, prompting an outpouring of tributes from fans and fellow artists.
Zendaya (@zendata) added +963 K followers, reaching an impressive 178.0 million. Her growth was tied to the record‑breaking box‑office run of “Spider‑Man: Brand New Day,” which crossed $1 billion worldwide in six days, the second‑fastest film to hit that milestone.
MrBeast (@mrbeast) saw a gain of +903.7 K followers, bringing his total to 89.1 million. The YouTube star’s August activity included announcing his marriage to streamer Thea Booysen and maintaining his regular content schedule.
Viral Moments and Emerging Talent
Lin Lamar (@pinkchyuwu) experienced a viral boost of +716.9 K followers, reaching 3.0 million. A clip from Drake’s “Kick” livestream on Aug. 8, where Lamar got Drake to bark on camera, spread widely and amplified her profile.
Ella Rubin (@ellarubin1) grew by +689.5 K followers, totaling 774.2 K. Rubin’s rise followed the Amazon Prime Video premiere of “Sterling Point” on Aug. 5, which became a No. 1 global hit and secured a second‑season renewal by Aug. 20.
Local Government Spotlight
Mayor Zohran Kwame Mamdani of New York City (@nycmayor) added +878.5 K followers, reaching 4.7 million. The mayor’s social‑media presence surged after national coverage of his administration’s pied‑à‑terre tax rollout and an ethics complaint from a Washington, D.C. watchdog regarding the use of official events to endorse Democratic candidates.
Overall Trends
The August data illustrate how major entertainment announcements, celebrity milestones, and viral internet moments can dramatically amplify Instagram followings. Four of the ten fastest‑growing accounts were directly linked to Disney’s D23 Expo, highlighting the event’s continued influence on digital audiences. Meanwhile, tributes to cultural icons like Dolly Parton demonstrate the platform’s role in collective mourning and celebration.
Net Influencer’s full ranking provides a snapshot of how pop‑culture, streaming releases, and political news intersect on social media, shaping the digital landscape for influencers and brands alike.
Original reporting: KRDO (Colorado Springs metro) — read the source article.
