The answer to the OP depends a great deal on her size.
It seems she has been helped already though.
I am still a bit confused, as I always thought that the definition of a T shirt bra is that it is padded to hide nipples, as butterandjam hilariously put it! I would find that most embarrassing!
AIBU To Be So Annoyed at the Stupidity of This
Father's Day Sunday — nobody makes cards for this type of dad
