You are a large woman. You can be large and still dress nicely. It’s done all the time! Look at Oprah, Camryn Manheim, etc.
What you had on for the Grammy’s made you look like Glinda the Good Witch after several bee stings!
If you must surround yourself with “Yes” people, hire a few who will be honest with you, also. You really needed someone to say, “You may be the Queen of Soul, but have a little S-E-L-F R-E-S-P-E-C-T!”