Select the most appropriate meaning of the given Idiom:-

From rags to riches 

Poor becoming rich

The most appropriate meaning of the idiom "from rags to riches" is poor becoming rich. The idiom comes from the idea of someone going from being very poor to being very wealthy. In a figurative sense, to say that someone is "from rags to riches" means that they have achieved a great deal of success, often from humble beginnings.

The other options are not as accurate descriptions of the meaning of the idiom. Wearing good clothes is not the same as becoming rich. Rich becomes poor is not the same as the idiom "from rags to riches." Working together is not typically associated with the idiom "from rags to riches."