National Grandparents Day will be celebrated on Sunday, Sept. 8.

In 1978, President Jimmy Carter proclaimed that National Grandparents Day would be celebrated every year in September on the first Sunday after Labor Day to honor grandparents.

President Barack Obama released a proclamation on Friday about National Grandparents Day.

"I call upon all Americans to take the time to honor their own grandparents and those in their community," Obama said in the proclamation.

READ: Presidential Proclamation -- National Grandparents Day, 2013

The secular holiday has an official song called "A Song for Grandma and Grandpa." Click here to learn more and to hear a clip of the tune.

To learn more about National Grandparents Day, click here.

Celebrity grandparents

Published On: Oct 02 2011 10:24:08 PM EDT   Updated On: Sep 11 2015 02:00:00 AM EDT

With Grandparents Day on Sunday, click on to see which of your favorite celebrities are also grandparents.

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Cee Lo Green