Harsher in Hindsight: In Love Actually, he plays a man whose wife had just died. His scenes were a whole lot more heartbreaking after his wife, Natasha Richardson, died in a skiing accident early 2009.
Tear Jerker: Not long after the death of his wife, Liam told an interviewer that his decision to become an American citizen was justified by the American people, whose enormous outpouring of love and condolences moved him beyond words. Although this shouldn't need mentioning, it doubles as a Crowning Moment of Heartwarming.
The Woobie: He was always known as being an extremely kind man who is incredibly appreciative of his fans, it's no suprise that the death of his wife immediately transformed him into this.