A baseball Tee is my go-to for the summer, it's comfortable and you can never do wrong with one. Also a pop of red for lipstick, can make any casual look, like overalls, look upscale. Red lips and baseball tees are all you need, I swear by it. 

Get the Look:

Tee: old similar here // similar here // here
Overalls: Madewell // similar here // here
Shoes: Converse // similar here // here
*Jewelry: Kate Spade 

*Thank you Kate Spade for having me as a Muse, and Simon Malls for gifting me with awesome and being the best place to shop!