"Happy birthday Jett -- I miss you so much!" Travolta wrote in the caption. "Love you forever!" Jett died in January 2009 at age 16 after suffering a seizure while the family was vacationing in ...

April 14 (UPI) --John Travolta wished his late son, Jett, a happy birthday Sunday. Jett died at age 16 in 2009 after having a seizure. Sunday would have marked his 33rd birthday. "Happy birthday ...