Guy Fieri and his wife, Lori, are the proud parents of two adult sons ...

Guy Fieri is celebrating his birthday with a shocking new look: His signature frosted tips were swapped for new brunette hair ...

The Food Network personality ditched his trademark style for a clean-cut look that had followers doing a double take.

Fieri marked the occasion by posting an Instagram video that showed off his new transformation with his facial hair gone and ...

Guy Fieri is celebrating his birthday with a shocking new look: His signature frosted tips were swapped for something new.

Chef and restaurateur Guy Fieri looked completely unrecognizable in an Instagram post for his 58th birthday.

Guy Fieri is celebrating his birthday with a shocking new look: His signature frosted tips were swapped for new brunette hair ...

The Food Network star showed off a shocking new look while celebrating his 58th birthday. Watch the clip here.

The Food Network star Guy Fieri swapped his spiky platinum hair for a neatly parted brown style, leaving fans stunned.

Guy Fieri, who celebrated his 58th birthday yesterday, looks completely different to his normal self in the shock video.

The Food Network star Guy Fieri swapped his spiky platinum hair for a neatly parted brown style, leaving fans stunned.

Guy Fieri unveiled a “new look” to celebrate his 58th birthday, ditching his signature frosted tips and goatee in a video ...