John Travolta pays heartfelt tribute to late son Jett on his 30th birthday

John Travolta's 16-year-old son, Jett, died in 2009 after hitting his head on the bathtub following a seizure

John Travolta remembered his late son Jett as he posted an emotional tribute to him on his 30th birthday on social media.

Taking to Instagram, the Face/Off actor dropped a picture with his son as he penned a note for Jett 13 years after his untimely death.

"My dear Jetty, I miss you more than words," wrote the 68-year-old Hollywood star.

"I think of you every day. Happy birthday," he said. "Love, your dad."

In the black and white picture, the father and son are seen happily posing for the camera.