If you're not planning on spending much, this Lanvin Tuxedo Dress will fit the bill. It's a popular choice, while not very pricey. In this price range, you can also look at this Lanvin Shift Dress. It's a product you'll fall in love with which also doesn't cost a fortune.
If you can afford to spend a little more, look no further than this Lanvin Gown. This item doesn't cost too much, but definitely deserves a place in your wardrobe. It's also worth taking a look at this Lanvin Evening Dress. This piece is extremely popular and, just as importantly, not very expensive.
If you're in a Treat Yo' Self mood, then what you're looking for is this Lanvin Maxi Dress. It's more expensive but worth your money. While you're at it, also have a look at these Lanvin Dress. Yes, this item is expensive, but it does not mean it's not worth it.