I can't afford it. It's too expensive.
cost sb an arm and a leg
I saw a beautiful dress. But it cost an arm and a leg.
cost sb a fortune
This camera cost me a fortune.
Can I try on the the shoes?
a gorgeous girl/man
You look gorgeous.
You look fantastic in that dress.
We had a fantastic time.
A: What do you think about this store?
B: I love this store. The only problem is that is extremely expensive.
A: Don't worry. I've decided that for your birthday, I'm going to take you shopping for a new dress.
B: Really? I thought you hated shopping.
A: I do. That's why you should appreciate this gift.
B: Sure. That's really nice of you. Let's go in and try some things on.
A: How about this red dress? I think it would really suits you.
B: That's gorgeous. Do you have it in a size eight?
A: Here you go. On any other day, it will cost me a fortune, but it's on special offer today.
B: I think this color isn't quite right for me. Do you have the same dress in white?
A: Let me look...Let's see. They've got one in blue, green, pink black and white. Here you are.
B: This is perfect! What do you think?
A: I think you look fantastic. Happy birthday.