Inside, the 35-year-old pop star -- named a Glamour 2010 Woman of the Year -- opens up about self-esteem, fitness, and domestic bliss with hunky husband Josh Duhamel while posing in a polka-dot Sonia Rykiel frock and Christian Louboutin booties.
Despite rumors of infidelity, the Avon spokeswoman says her love life is stronger than ever.
"Just knowing that our relationship was stronger than that," she tells journalist Katie Couric.
"For me, I'm not a jealous person. That's just not my thing. You have to have trust in your relationship."
Fair enough. The shoe designer also credits her toned body to constant exercise, including "cardio, resistance, and a lot of jogging."
And what advice does the Black Eyed Peas songstress have for young women?
"Eye cream," she jokes, before taking a more serious note.
"There were periods of my life when a lot of people didn't believe in me," she says.
"[But] I still had faith in myself. I really had to ask myself life questions.
"Where do I see myself in five years? Create a ladder for yourself, and walk up the steps. Climb that ladder."
In that ultra-short blazer? I don't think so.
For more of the singer's interview, visit Glamour's web site and pick up the December issue available from Nov. 9. Plus, you can download the Glamour app to score exclusive behind-the-scenes footage.
In other pop star news, read about Taylor Swift's new fragrance deal.