Ritzy (adjective)

1. Impressively and expensively fashionable.
2. Luxurious, elegant and high class.

Origin:

From yiddish ריצי‎ (ritzī), from german ritz ("luxury hotel").

Examples:

1. The hotel was ritzy and had a lot of famous guests.
2. She wore a ritzy dress to the gala event.
3. He was trying to impress her with his ritzy car.
4. The restaurant was ritzy and a little stuffy.
5. The ritzy store only sold designer brands.