Reese Witherspoon would need to have her attributes boosted to play Dolly Parton, jokes the voluptuous country sensation.
On learning the attractive blonde was being lined up to star in a bio-pic based on her career, the singer quipped: "We'd have to get her a big ol' boob".
According to Tennessee-born Dolly Scarlett Johansson's figure might be more suited to the part.
In every other respect Rendition star Reese is an obvious choice, having scooped an Oscar for portraying another singer, June Carter, opposite Joaquin Phoenix's Johnny Cash in Walk The Line.
The leading lady perfected her singing voice for the film, and performed all the tracks herself.
Louisiana girl Reese is a great admirer of her fellow Southerner, once paying tribute to Dolly as an "amazing country legend" at an awards ceremony where, playing on the title of her best known songs, she reassured the country star: "I will always love you".