If you're not planning on spending much, you'll appreciate this Jumpsuit. It's a popular choice and a good investment. You might also want to take a look at this Mara Hoffman Jumpsuit. It's a product you'll fall in love with which also doesn't cost the earth. You might also want to consider these Stella McCartney Shorts. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're willing to splurge, why not consider this Rag & Bone Romper - a great luxury choice. While you're at it, also have a look at this Serafini Romper. Yes, this item is expensive, but it does not mean it's not worth it. You can also consider this Romper. You won't regret the money spent!