LOUISVILLE, KY. (WDRB) -- Die-hard fans spent the night cheering for their favorite boy bands at the KFC Yum! Center.

The New Kids on the Block and Backstreet Boys took on Louisville tonight.

They paired up for a summer tour that's getting a huge response.

And the excitement was on display tonight downtown.

The two groups have been making hits since the 80's and 90's and drew fans of all ages.