First Lady Marie Louise "Liza" Araneta Marcos celebrated her 63rd birthday Sunday, Aug. 21, and her eldest son, Ilocos Norte 1st district Rep. Sandro Marcos celebrated the occasion with a very sweet Instagram post.

"Happy happy birthday mom! We love you so much! I consider it such a privilege to have you in our lives. ," wrote Rep. Marcos.
However, the second half of the rookie congressman's greeting came with a "threat"--a cute and funny one that gave a glimpse of how tightly-knit the First Family is.
"PS you better be nice to me or I might have to post pictures of you crying after reading Dad's birthday card this morning. ," Rep. Marcos said, tongue-in-cheek.
He ended his post with a solid "LOVE YOU!" for his celebrant-mom.
Born on Aug. 21, 1959, Liza is the wife of Ferdinand "Bongbong" Marcos Jr., the 17th president of the Philippines.