今日是Sam的72歲生日,原來許家有不少9月之星,他的大哥許冠文與大仔許懷欣都是3號同日生日,許冠文就78歲,而許懷欣就44歲,他們一家在屋企大搞9月生日P,而懷欣今日就在社交網貼了生日派對的相片,見到派對有近20人,全部都是家庭成員,當中除了三位9月之星外,還有阿Sam的二哥許冠武、許冠文太太及許懷欣一家等,實行三代同堂家庭樂。相中見到阿Sam與許懷欣更拎起結他夾band,唱生日歌給另一位壽星許冠文聽,氣氛相當溫馨,而許懷欣就以英文留言:「Happy birthday to my dad today!! We love you lots. Had a great time celebrating his birthday, Uncle Michael’s, and mine yesterday with the fam. Good times eating, singing, and swimming..」有網民留言祝阿Sam生日快樂:「Happy birthday to our hero !」