have stardust in eyes
have stardust in (one's) eyes
To have an overly idealistic or optimistic outlook, usually regarding one's hopes for success. I doubt she'll actually become a famous actress—she just has stardust in her eyes.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
have stardust in (one's) eyes
To be uncritically or unrealistically optimistic.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.