How soon did you tell parents and family

Hi all I'm pregnant with my second baby which is a bit of a suprise even though we planned it because I only got my implant out last month! Never expected things to happen so soon! Any way I've miscarried before at around 7 weeks but I'm so excited I want to tell my family, Considering it's Christmas day tomorrow I feel like it's going to be hard hiding me not drinking. I'm only about 4 weeks pregnant. ..when did you tell people? ? Xx