Tube top and high waisted pants!
Wear high waisted regular jeans and a spaghetti top. It'll look casual and chic with a blazer
High waisted jeans and a halter top
Formal shorts (that match the blazer, of course) and spaghetti top will look classy and make you stand out in the crowd. Plus it's the perfect 'casual but chic' look!
Sports bra and mom jeans!
Formal pants or black high waited jeans with some decent printed shirt under blazer
High waisted pants with a crop top will look good
A palazzo looks incredible but depends on the styling of the blazer as well.