
The Lord of the Rings actor was joined by three-year-old son Flynn - who almost stole the spotlight from his famous dad by posing next to the star on the iconic pavement.
Little Flynn even give a helping hand to the Hollywood Chamber of Commerce CEO with the roped display during the ceremony.
The A-List actor had a chuckle as his mini-me clutched the rope in one hand and a bag labelled 'sugar' in the other.
"For a kid in London, Hollywood seems like such a mythical place,” the Three Musketeers star said later.