"Happy Birthday to You" is sung everywhere, but because it's copyrighted, it's rarely heard on TV or in movies. A filmmaker has filed a lawsuit seeking to make the song part of the public domain.

Jennifer Hudson did her best to kick up the standard vanilla version of Happy Birthday. She did a nice job, which is to be expected because she could sing the alphabet and win a Grammy. But it’s ...

The "Happy Birthday to You" song is finally in the public domain. Birthday cake on table Jessica Peterson / Getty Images/Tetra images RF Feb. 9, 2016, 1:53 PM EST / Updated Feb. 9, 2016, 1:54 PM EST ...