NEW YORK (AP) - The eldest Jonas brother, Kevin, and his girlfriend Danielle Deleasa were engaged Wednesday.

The 21-year-old Jonas is one-third of the popular Jonas Brothers, along with Joe and Nick Jonas.

A spokeswoman for the Jonas Brothers confirmed the engagement.

In a statement, Kevin's parents, Kevin Sr. and Denise Jonas, said they were "filled with joy."

The young couple have not yet set a date. Their engagement was first reported by People magazine.

People quoted Kevin Jonas as describing his girlfriend's reaction as "yes, yes, yes like 500 times super fast in a row."