Rob Lowe Finds Out Which Of His Sons Know Him Best

Which of Rob Lowe's two sons know him best?

Jimmy Fallon puts them to the test on The Tonight Show in the "Best Son Challenge!" The game is pretty funny and you find out a few new things about Rob Lowe!

Lowe and his sons star in a new unscripted series called The Lowe Files, premiering Aug. 2 at 10 p.m. on A&E.

 

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