Kutcher will join the company as a strategic advisor.
The company had raised $7.2m from Sequoia Capital and Greylock Partners in November 2010 (read here).
The investment will enable Airbnb to expand its international presence to reach more people from different cultures all over the world. The service currently has listings in over 10,000 cities and 178 countries.
Led by CEO Brian Chesky, Airbnb is a global network of accommodations, from a private apartment to a private island, offered by locals. It is also available for iPhone and iPod Touch.