Kelly Clarksonhad completely forgotten that theJonas Brothersopened for her in 2005, andNick Jonaswasn’t completely surprised.

“I feel like I just got really cool.”

Even knowing all that, Nick feels indebted to the former reality competition star.

Nick Jonas, Kelly Clarkson

Credit: Adam Christopher/NBCUniversal

““But you helped us get a lot of gigs after that, so thank you.

We owe you 20 percent.

The trio announced the band was officially back together in February.Related content: