John Stamos has stepped up to support his close friend and Full House co-star, Dave Coulier, amid his cancer diagnosis.

Coulier recently began chemotherapy.Decades after TV sitcom Full House ended, costars Dave Coulier and John Stamos are more ...

John Stamos was on hand to help his former “Full House” costar Dave Coulier shave his head after his stage 3 Non-Hodgkin’s lymphoma cancer diagnosis.

The longtime 'Full House' friends bared their bald heads in new photos John Stamos is showing his support for Dave Coulier ...

As Dave Coulier continues to go through cancer treatment, he is getting some support from his friend John Stamos.

John Stamos is under fire after wearing a bald cap in a gesture of "solidarity" with his former Full House co-star Dave ...

As Dave Coulier continues to go through cancer treatment, he is getting some support from his friend John Stamos.

Dave Coulier has cut out all sugar amid his cancer battle after his wife out together a whole new nutrition plan for him.

John Stamos is showing “solidarity” amid Full House costar Dave Coulier’s cancer battle. Stamos, 61, took to social media on ...

Dave Coulier spoke exclusively to PEOPLE about one of the ways his wife Melissa Coulier is supporting him after he was ...

Full House alum Dave Coulier posted a photo of himself undergoing chemotherapy, two days after sharing that he was battling ...