Too Cute!Simon Cowell Shares an Adorable New Photo of Son Eric — See the Pic!

Simon Cowell's son, Eric, is getting SO big!

On the evening of Monday, Nov. 16, the 56-year-old TV star took to Twitter to share a cuter than cute photo of himself lounging at home with his 21-month-old little boy.

"Happiness is a day off work," Simon captioned the adorable photo.

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The former American Idol judge and his girlfriend, Lauren Silverman, 38, welcomed Eric, their first chid, in February 2014.

Click through the gallery below to see more of Hollywood’s cutest kids!