Rachel Zegler is using her platform to raise awareness about breast cancer early detection. The 21-year-old actress took to her Instagram Stories over the weekend to detail a health scare she faced at only 19 years old and encourage others to take early detection seriously.«Two years ago I found a lump in my breast and went through what was undoubtedly the scariest week of my life,» she wrote over a photo of the scar she was left with after undergoing a procedure due to the scare.