The Fantastic Four star strips to her smalls - and it's easy to figure why her killer curves are the main attraction of crime thriller Machete.
But amazingly the actress, mum of two-year-old Honor, claims childbirth has left her stretched and droopy.
She said: "My breasts are saggy, I've got cellulite, my hips are bigger... every actress out there is more beautiful than me."
Jessica, 29, also revealed she used to be TERRIFIED of taking her clothes off for the camera.
"I've never been comfortable showing my body off. I used to have anxiety attacks before shoots," she said.
These days anything goes - well, almost. Jessica draws the line at baring all, despite a "nude" shower scene in Machete, which opens next month. Digital trickery was used - she wore white undies that were edited out.
Jessica Alba said: "I'll never do a nude scene. I can act sexy and wear sexy clothes but can't go naked."
Despite her "big hips and cellulite", the actress insists she's completely comfortable with her own body, declaring: "I love it."
Well, we Alba-sutely love it too, Jess.
The November issue of GQ magazine is on sale from this Thursday October 7th.
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