The “Pulp Fiction” star posted the short message to Instagram, where he has 3.3 million followers.
He sent a birthday message to her in October and posted a clip of himself dancing with their daughter Ella, in August
“My daughter @ella.travolta and I dancing in memory of momma
The couple, who wed in 1991, had three children: Ella, son Jett — who died in 2009 after a seizure during a trip to the Bahamas — and 10-year-old Benjamin