The answer is:
Prepositional phrase: "with the rhinestone collar"
Use: Adjective
Prepositional phrase: "After the play"
Use: Introductory phrase
Prepositional phrase: "in two weeks"
Use: Adverb
Prepositional phrases start with a preposition such as with, after or in, and contain a noun, pronoun, gerund or clause. They usually function as adjectives, adverbs or introductory phrases, which do not possess a subject or a verb on their own. As a matter of fact, introductory phrases indicate that the central information is imminent.