The All-American Summer Concert Series returned this morning as R&B legends Boyz II Men treated fans to a special performance outside the Fox News headquarters.

Watch above as the Philly natives, who are currently doing shows in Las Vegas, perform their newest single, “Diamond Eyes." Their new album, "Collide," goes on sale Sept. 30.

Check out the rest of this summer's scheduled performers! 

Earlier on Fox and Friends, Nathan Morris, Shawn Stockman and Wanya Morris talked with Brian Kilmeade about the keys to the group's success.  Take a look below.