Dolly Parton

Set for release later this year, 'Rock Star' will include a who's who of rock royalty.

Country legend's upcoming rock album will also feature Cher, John Fogerty and others.

The birthday party is also a celebration of her Imagination Library program in Cedar Rapids.

The singer offered a few more hints about the contents of ‘Rock Star,’ arriving next year with guest appearances.

She hopes to revisit "Stairway to Heaven" with help from its writers on her rock album.

She's giving back to kids in Black Hawk County.