Answer:
As there are no words in italics, here is the list of all the words in this sentence together with parts of speech:
Shelly - a noun which represents person's name (proper noun)
and - a conjunction
her - an adjective (possessive form of she), also called possessive determiner
beautiful - an adjective (describes the noun 'dance')
dance - a noun
thoroughly- an adverb that modifies the verb 'captivated'
captivated - a verb (past tense of 'to captivate')
the - a definite article
audience - a noun