Oasap and you can see the details HERE. It is also available in navy and it's actually on sale at the moment. You can get a 16% reduction for your first order if you use coupon code oasap1st.
Polka dot button-up chiffon shirt - Oasap
Jeans - H&M
Necklace - Stradivarius
Neon top - Oysho
Trainers - Adidas(old)
Jacket - Marks and Spencer (old)
Sunglasses - Rayban aviators