John Stamos is showing his "Full House" best friend and co-star Dave Coulier solidarity after Coulier's unexpected cancer diagnosis. But his support has sparked controversy.

In an Instagram post with multiple photos, Stamos is seen wearing a bald cap in support of Coulier who recently shaved his head to take preventive measures as he starts chemotherapy. In another photo, the fake-bald Stamos is holding hair clippers to Coulier's bald head.........

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