WATCH: Jessie J's Amazing Talent
Jessie J can do something with her mouth closed that I can't even get near to doing well with my mouth open:  Sing.
The 'Price Tag' singer has already shown she has a crazy strong voice -- but this time, she's showing she can even sing her songs without opening her mouth.
Seen This? Toddler Sings Along With Miley Cyrus
Do your kids sing in the car?  Mine do!  But not quite with this much emotion.
This video is going viral, and has made the Jimmy Kimmel show.  Oh, and the mom clarifies, it's a girl!  She said she had her hair pulled back in a pony tail that day...