12-Year-Old Girl Arms Michael Strahan With Excuse, Then Takes Him Down

She's 12 years old. She's 4-feet, 11-inches tall. She has Ronda Rousey's attention. She appeared on "Good Morning America." And she beat Michael Strahan.

Meet Grace Houston, the Minnesota state kids division arm wrestling champion, in both the right- and left-handed divisions.

Are you ready for this?

Did we mention that she's 12?