Gwen Stefani had a huge 2020 and it looks like this year is set to be a success too!The No Doubt singer, 51, showed off her enormous $500,000 engagement ring on Instagram Friday before announcing to her fans that her new music video for her hit, Let Me Reintroduce Myself, had received three million views in just one week.MORE: Gwen Stefani poses with her body-double - and they could be twins She shared several snaps on Instagram and a clip remind her fans she's engaged - and with a ring like