It was a sweet treat.

John TravoltaHis 10-year-old son BenjaminThe father and son took a rare photo together to celebrate Halloween on Sunday, October 31st. The father and son duo were all smiles in a sweet Instagram selfie, which showed the sun setting as the family members stood side by side on a beach. 

“Happy Halloween everybody!” The mega star wrote: “What was your childhood favorite candy bar?”

John’s daughter Ella Travolta21-year old he replied, “Reese’s!” Over a thousand people liked the comment and seemed to agree. 

John is clearly putting family first as he and his kids continue to mourn his late wife Kelly PrestonAfter a two-year battle against breast cancer, she died in July 2020.

Two weeks ago, he paid tribute to the actress, who would have celebrated her 59th birthday this year. John took to Instagram on Oct. 13 to share a vintage photo of Kelly, smiling and waving at the 2018 Cannes Film Festival, while she was promoting their movieGotti.