Gladys Reyes and Christopher Roxas pen sweet birthday messages for son Christophe

The eldest son of Gladys Reyes and Christopher Roxas is growing fast.

Gian Christopher or Christophe turned 16 today, January 23, the same day his parents celebrated their "29 years of togetherness."

In an Instagram post, Gladys penned a short but sweet message for her son Christophe.

"Happy 16th son, Christophe. Just keep your faith! Everything else will fall into place. Always proud of your achievements. We love you, son," she wrote.

Christopher also greeted his son, saying, "Para sa aking panganay, I'm so proud of you. Sa eskwela, disiplina, paninindigan at higit sa lahat sa pagiging mabait na anak. Love you, son. Just continue to be a good human being. Happy birthday, son."

Gladys and Christopher tied the knot on January 23, 2004, and were blessed with four amazing kids named Aquisha, Gavin Cale, Christophe, and Grant.

Meanwhile, look back to the wonderful marriage of long-time showbiz couple Christopher Roxas and Gladys Reyes in the gallery below: