The soccer star and his partner received 32.3 million likes on their Oct. 28 pregnancy announcement.
The pop star's wedding announcement, posted May 26, garnered 26.7 million likes.
In May, the Kylie Cosmetics guru and boyfriend Travis Scott shared that they are expecting their second child together in an adorable video that received 24.6 million likes.
New 'do! The singer's transformation received a major thumbs-up from her followers, who gave her 23 million likes on March 17.
When Messi confirmed he was joining the Ligue 1 club Paris Saint-Germain, his Aug. 11 post received 22.1 million likes.
For her second most popular photo, which received 22.1 million likes, the star posed for Vogue, as seen here.
The soccer star's Aug. 8 announcement that he was leaving Barcelona received 21.2 million likes.
And this shirtless photo was just as popular, bringing in 22 million likes on July 11.
A mermaid and her admirer took the second to last spot after raking in 20.2 million likes with their Aug. 18 Reel.
Spider-Man's adorable birthday post for girlfriend Zendaya earned him 19.6 million likes on Sept. 1.