A big bold necklace is not something we wear everyday, but when you wear plain white top, it's time to wear those massive necklace. (myeternalsymphony.com)
I recommend investing in a different kind of plain white tops, starting from tees to button - downs, etc.. (wardrobefocus.com)
You can style it with plain white top tucked in black leather mini skirt paired with silver shiny loafers: (becomechic.com)