She showed good gate speed to cross the field to lead and travelled comfortably to the turn.
When rider Sam Spratt asked Blue Shadow to lengthen stride on straightening they coasted clear to score by nearly five lengths.
"I'm very happy with her, she's done everything right and this is her last start," Hughes said. "She can have a break now until the spring."
Mystery Show, who earlier this season placed in the group three Gold Trail Stakes and the Listed Soliloquy Stakes, was a distant second ahead of last season's Listed Trevor Eagle Memorial winner Alamer.
Meanwhile, Andrew Campbell has good reason to consider doubling his hand in the closing black type two-year-old event of the season.
The Opaki trainer has the Listed Ryder Stakes on July 29 on the programme of Waldorf and he will also now give thought to Getty joining his stablemate in the Otaki feature.
The former finished a close third when resuming at Te Rapa on yesterday while the latter made an impressive start to his career at Trentham with a strong front-running win in the Platinum Homes Taranaki 2YO Maiden.
- NZ Racing Desk