be the toast of (some place)
To be someone who is especially well liked, regarded, or admired in a certain place. The young entrepreneur has been the toast of Silicon Valley ever since his revolutionary tech innovation went public. I hope you enjoy being the toast of London now, because such fame is always fleeting.
be the toast of...
be somebody who is praised by a lot of people in a particular place because of something that they have done well: Eddie was the toast of Hollywood yesterday after winning three awards for his latest film.