If you're after a thrifty option, your best bet is this Free People Romper. It's a fantastic item, while not very pricey. Another strong contender for your wardrobe is this Free People Playsuit. While the price of this piece is rather reasonable, it will surely attract a lot of attention.
If you're after a bargain, we've got your back with this Free People Romper. This piece is likely to become a total wardrobe staple. It's also worth looking at this Free People Playsuit. This piece is extremely popular and, just as importantly, not very expensive.