The 'Home' singer's little boy is set to undergo treatment for liver cancer.
Bruno Mars: Video Collection
As Bruno prepares to play an exclusive Heart Artist of the Year gig we bring you four of his biggest videos.
The four videos have in total generated over 650 million views on YouTube and we hope you will add to them today!
The question is which is your favourite?
Just The Way You Are
The Lazy Song
The Lazy Song (Alternate video)
The star headed straight from the jungle to panto...but clearly hadn't had time to learn her lines!