Adele and her boyfriend, Simon Konecki in London on September 4, 2012. Credit: XPOSUREPHOTOS.COM

Getting ready for baby!

While they get their Brighton, England, mansion baby-ready, Adele, 24, and fiance Simon Konecki, 38, are living in London, where they had a rare day out Sept. 4 running errands.

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"She is lying low and focusing on becoming a mom," says a confidant of the singer, who is due this fall. "The baby is healthy and she's so excited!"

With Konecki doting on her, the "Someone Like You" diva is sketching out her next album. It will be lighter than her last ode to breakups, says the pal: "The pregnancy has had a big impact on her songwriting!"