When Brad Pitt was confronted with news that Melissa Etheridge didn't find his fiancé Angelina Jolie's decision to undergo a double mastectomy brave, he made sure to stay collected. 

"I don't know," he told Us Weekly during the World War Z premiere in New York City on June 17. "Somebody just said that."

He continued, "Melissa's an old friend of mine. I'm sure we'll talk on the phone. I don't know what it is."

The musician performed at Pitt's wedding to Jennifer Aniston in 2000. In an interview with the Washington Blade, she didn't seem supportive of Jolie's decision to have a double mastectomy.

"I wouldn't call it the brave choice," she told the publication on June 13. "I actually think it's the most fearful choice you can make when confronting anything with cancer."

Etheridge underwent cancer treatment in 2004 and has been cancer free for nine years. Also having the gene mutation, Etheridge said she doesn't think Jolie's decision is one that women in the same predicament should rush into.

"Plenty of people have the gene mutation and everything but it never comes to cancer so I would say to anybody faced with that, that choice is way down the line on the spectrum of what you can do and to really consider the advancements we've made in things like nutrition and stress levels," she added.

Unlike Etheridge, Pitt views his fiancé's choice in a different light.

"Having witnessed this decision firsthand, I find Angie's choice, as well as so many others like her, absolutely heroic," he told JustJared.com in May. "All I want is for her to have a long and healthy life, with myself and our children. This is a happy day for our family."

Jolie, 38, who opened up about her decision to have the surgery in an op-ed in The New York Times in May, wrote the following about the choice.

"On a personal note, I do not feel any less of a woman. I feel empowered that I made a strong choice that in no way diminishes my femininity."