Gwen Stefani breastfeeding baby Apollo (photo)

It seems Gwen Stefani is in Switzerland! How do I know? The No Doubt singer posted this stunning photo of herself breastfeeding her five-month-old baby, Apollo Bowie Flynn, with a picturesque view of the famous mountains...

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"#Switzerland !!!!!" she captions the pic. Along with a baby bottle emoticon.

In the photo, uber-stylish Gwen, 44, looks casual and natural in a plain white top, cuffed jeans and bare feet. And Baby Apollo is draped in an aden + anais Radiant Red Classic Swaddle blanket ($22) with red stars on it.

The swaddle blanket is part of the Aden + Anais collaboration with (RED): 10 percent of the collection's profits go to the Global Fund to fight AIDS. Other products in the line include adorable bibs, burpies and blankets. Learn more about the initiative here.

Read more: Gwen Stefani and Gavin Rossdale welcome third son>

Gwen's been vocal about breastfeeding in the past—even sharing how Zuma weaned himself.

"I didn't want him to (quit), it felt like a total rejection," she told USA Today. "It was really hormonal, and trying to stop in the middle of the tour was insane."

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Gwen and her hubby, Gavin Rossdale, 48, and their three sons—Apollo, Kingston, 8, and Zuma, almost six—were spotted gleefully piling into London's Heathrow Airport the day before this photo was posted. The family's based in California, but they also have a house in Gavin's home city, London, which they visit yearly.

Looks like they're spending some quality time together before Gwen embarks on her exciting new role as judge on The Voice, and Gavin as her team's mentor (sweet!).

Love! xo Haley-O Celebrity Candy: Follow along as Haley Overland delivers the latest scoop on celebrity families—plus sweet celeb interviews! You can’t have too much of this candy, so check back often.