United Kingdom, June 24 -- Jessie J has undergone breast cancer surgery.

The 37-year-old pop star announced earlier this month that she'd been diagnosed with breast cancer, and Jessie has now taken to social media to reveal where she is in her treatment journey.

Alongside a series of photos and videos taken in her hospital room - including some featuring her boyfriend Chanan and her two-year-old son, Sky - Jessie wrote on Instagram: "!!Blood warnin!!This post is some of the honest lows and highs of the last 48 hours. I will always show the good and hard bits of any journey I go through. Grateful to my doctor / surgeon and all the nurses who cared for me and all my family / friends who came to visit. [hug emoji] I am home now, to rest an...