7 Years Lukas Graham Download '7 Years' on iTunes
Some very special animals have been honoured in Hollywood.
Alvin, Simon and Theodore - also known as the Chipmunks - put their pawprints in the cement outside the legendary Grauman's Chinese Theatre.
The singing trio - who had their first hit in the late 50s - look remarkably youthful considering.
They're now big screen stars too - preparing to release their next film "Chipwrecked" in time for Christmas.