VIDEO: Impromptu national anthem performance goes viral

A high school principal from Florida visiting the Lincoln Memorial in Washington D.C. really let her pride and her amazing talent shine.

Star Swain, and this video of her nailing the national anthem in an impromtu performance is going wildly viral - with more than 11 million views and counting.

The acoustics inside the memorial were right - and so was her moment. The longer she sings, the bigger the crowd grows.

A rousing round of applause when she wrapped, with some people saying they were holding back tears.

Apparently she was nervous, but we can't tell!