Mollywood witnessed a heartwarming display of friendship and admiration as superstar Mohanlal went all out to celebrate Mammootty ‘s 74th birthday in a truly unique way. On the upcoming episode of Bigg Boss Malayalam Season 7, set to air on Mammootty’s special day, fans are in for a delightful surprise as Mohanlal appears in a never-before-seen avatar, donning a customised shirt adorned with photographs of the megastar himself.