The British actor unveiled his sidewalk shrine Thursday in front of the Pig 'N Whistle pub on Hollywood Boulevard.
It's the 2,429th star dedicated on the avenue of dreams.
Firth has already received Golden Globe and Screen Actors Guild award nominations for his role as King George VI in "The King's Speech," and he is also a favorite for an Oscar nod.
Academy Award nominations are announced Jan. 25.
The 50-year-old Firth was a best actor nominee at the Oscars, Golden Globes and Screen Actors Guild Awards last year for his performance in "A Single Man."
Firth's movie credits include "Bridget Jones's Diary," "Shakespeare in Love," "The English Patient" and "Mama Mia!"
