Washington DC, June 24 -- Singer-songwriter Jessie J shared that she underwent surgery nearly three weeks after revealing she had been diagnosed with "early breast cancer," reported E! News.

"I am home now," Jessie wrote in the caption of her Instagram post, "to rest and wait for my results."

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The 37-year-old--who shares son Sky Safir, 2, with boyfriend Channan Safir Colman--posted a carousel of pictures and videos of "the honest lows and highs of the last 48 hours," which included her toddler laughing alongside her in a hospital bed. Her partner can be seen kissing her forehead and holding her hand as she awaited surgery.

In one video, she expla...