The phrase "actually stunning" is correct and usable in written English.
It can be used to emphasize that something is surprisingly beautiful or impressive, often in contrast to expectations.
Example: "The view from the top of the mountain was actually stunning, far beyond what I had imagined."
Alternatives: "truly breathtaking" or "genuinely remarkable."
"Against that background, to have successfully produced a two-percentage-point increase in mail-back response rates is actually stunning," said Robert Putnam, a political scientist at Harvard University who wrote "Bowling Alone: The Collapse and Revival of American Community" (Simon & Schuster).
Learn With Homer does both, and the design is actually stunning.
It's actually stunning that something like this didn't exist already when you think about how much people spend on appointments and how annoying it is to book them.
But the policies being implemented by the Chinese government today are serious, to say the least, and actually stunning in ambition and scale.
"Stunning, really stunning.
Let your hair down and take your glasses off to reveal that you've actually been stunning all along and just in time for your grand-stairwell prom entrance!
As you see, they've stuffed the same quartz movement you'll find in the Breitling Emergency into what I'd say is a very beefy and actually quite stunning case.
But if the French version of Honey Boo Boo will never happen, the reason for it is actually pretty stunning, even to those of us who have managed to avoid the original version: The French government is moving toward a ban on beauty pageants for little girls.
Actually, the stunning twist of irony is that Jesmer and other conservatives didn't make a peep about the proximity of the Bush family and King Abdullah for the past eight years but now, seemingly, are filled with outrage over a symbolic gesture of respect.
You never know, a make up look you thought would look terrible on you may actually look stunning!
