This week, a lot of celebrities used social media to celebrate the Siblings' Day.
In some states in the U.S., April 10 has been recognized as a holiday to honor the relationships of brothers and sisters since 1998.
Pinoys began joining the fun, thanks to Facebook, Twitter, and Instagram!
Here are their messages this year, accompanied by their cutest photos.
Can you guess who they are?
Clue: The adorable tot on the left is the other half of AlDub.
Her older sister is Coleen.
Clue: The second kid from left is a Kapamilya actress and singer.
This crush ng bayan in the 90s has five siblings: Olive, Jojo, Jeff, Bimbo, and Oye.
Three from this all-girls squad became famous in showbiz.
Clue: The one on the left (seated) was an actress in the late 90s and early 2000s; the girl in the middle was one of the DoReMi girls; the girl on the right was a model.
Their older sisters were named Josephine and Luisita.
No need to guess this one.
Nothing, indeed, has changed. The Cruz brothers—Rodjun, Andrew, and Rayver—have remained cute.
Alex Gonzaga posted a more recent photo with her "minsan ate, madalas nanay" Toni Gonzaga.
Yassi joked she has been "stressing about" her sister Issa since '97.
She added, "U R MY EVERYTHING."
Luis Manzano posted a photo collage with (clockwise) Ryan Gosling, Zac Efron, and Theo James, and wrote, "#happynationalsiblingsday!!! Miss ko na kayo, sensya busy lang bunso niyo pero bawi ako sa next family dinner!! Text text!"
Answers: Maine Mendoza, Agot Isidro, China Cojuangco, Mikee Cojuangco-Jaworski, and Mai Cojuangco.