Knock Me Down

The boys of Big Time Rush performed at the Indiana State Fair yesterday, August 11, in Indianapolis.

The boys and their opening act Days Difference performed in front of hundreds of fairgoers. The guys did a variety of their hits.

Looks like the boys had a good time performing yesterday!

It was also recently announced that Big Time Rush would be opening for Justin Bieber October 1 in Mexico City!!

Anybody seen them in concert!

Source:WireImage