Another image shows Jack sitting alongside his younger siblings, Benjamin, 14, and Vivian, 11. "Happy 17th birthday to the kindest, sweetest, most thoughtful 17-year-old, I know. You are truly a ...

“Happy birthday to this sweet peanut,” she wrote over an old photo of herself smiling with a young Jack. She then posted a more recent image of the pair together, with her arms wrapped around ...

He recently offered a rare glimpse into his relationship with son Jack Moynahan with touching birthday tribute. More Nic Antaya/Getty Images The ... captioned, "Happy 17th birthday to the kindest ...