Groovy, 60’s style top

Dress like Austin Powers girlfriend! Colorful stretchy top, Lined bodice and sheer 3/4 length sleeves. Single rhinestone on left side. No size or fabric composition tags. I have machine washed it. I’m guessing on the size. Flat lay measurements Sleeve = 17” from shoulder seam L= 22” in back Armpit to armpit = 20” Non smoking home