"I'm nervous. I don't know what my friends will say," the singer said in a video posted on SI's Web site, adding that some probably would be "shocked."
The photo shoot gave Beyonce a chance to show off her House of Dereon fashion label. She said her mother, Tina, designed the suits.
"I wanted to so something classy, something that I'll be proud of years from now," Beyonce said.
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