恒星口语讲堂:"约会"用英语怎么说?

看到一对幸福的伴侣，你心里一定会想到"天生一对"这样的词吧，那这样的表达用英语该怎么说呢：

They were made for each other.
Aren't they the perfect couple?
They are a match made in heaven.
I think they are good together.