"Happy 18th birthday to you, my son," she wrote alongside a photo of ... There is such a magnificent world of ideas and harmonies inside that beautiful head of yours. I am unbelievably proud ...

The former couple both shared messages on Instagram for their son Liam as they celebrated his 18th birthday, taking a minute to reflect on how much their son has grown up. Spelling, 51 ...

Tori Spelling and estranged husband Dean McDermott both shared lovely tributes to their son Liam McDermott on his milestone birthday ... I love your ideas. You will always be my baby.