Proud mom Alicia Keys shared this video of her four-year-old son, Egypt Dean, playing the 'Charlie Brown' theme song on the piano — and the kid's good!

“Every morning waking the whole house up!!! So cute!!! Somebody’s got the bug!!” the singer, who's married to record producer Swizz Beatz, captioned the clip.

Who knew her boy was a mini maestro in the making?! But he's not the only celebrity kid to boast a hidden talent. Click to see more!