John Stamos is indeed a friend sticking through all thick and thin!Taking to his Instagram handle on Monday, November 18, the ...

The first image showed the former costars and longtime friends posing — Coulier, 65, with his head shaved, and Stamos wearing a baldcap in solidarity. For the second swipe, Stamos laughed with Coulier ...

See what the leading man's son has been saying! ET's Lauren Zima spoke with Stamos ahead of 'The Wonderful World of Disney Presents the Little Mermaid Live!' premiere.