Tank: Nordstrom Rack, similar option HERE ( wearing a Large)
Shorts: American Eagle (sized up for looser fit, wearing size 12)
Sandals: Zara (run 1/2 size small, wearing 10) less expensive option HERE
Insta 7.20
The Darling Niki
Life. Style. Rosé.
The Darling Niki 
I think you need the Urban Outfitters ones as a house shoe.