"upscale event" is correct and usable in written English.
You can use it to describe an event that is luxurious and exclusive, such as a wedding or ball. For example, "The wedding was an upscale event with only the richest guests in attendance."
The Duggal Greenhouse, an upscale event space, had been converted into an elaborate television set, with huge American flags for the cameras to dwell on and much smaller flags for people in the crowd to hold.
While I was infuriated to hear that women had been shunned for wearing supportive shoe, I was also in awe of them; I would never have shown up to the upscale event in flats.
Yes, it's purely anecdotal, but I couldn't help but notice how many rich people at the upscale event were clamoring for, dare I say it, a free pass (in other words, a handout).
An added perk of doing something like this is that the dress could be re-worn at a future, upscale event, such as an opera or maybe even the Oscars.
Unlike Paris, he says, those interested in high fashion in São Paulo usually can be spotted only behind closed doors at upscale events.
Hundreds of thousands of people flock to these increasingly upscale events, with luxury boxes that make George Steinbrenner eat his greedy heart out.
Credit the recession, or weariness with an increasingly exacting foodie culture, but it's also increasingly common at upscale events in the city, from premieres and fashion parties to dressed-up galas like last spring's Museum of Arts and Design L.E.D. Ball.
Patton previously worked as an event planner for the Trump Organization and "a senior aide to the Trump family". She organized "upscale events and celebrity golf tournaments at multiple Trump properties" and handled "celebrity talent acquisition for various marketing projects," according to an online résumé on the website LinkedIn.
The Mustang is not appropriate for upscale events.
She is based in Miami with a global outreach and produces upscale events worldwide.
She also produces upscale events around the world showcasing luxury brands and a unique array of artists and entertainers.
