As a regular recipient of these treatments, which require the product to be injected into facial muscles to plump fine lines and creases, Madsen is drawing attention to a beauty technique that has been hush-hush in the Hollywood community.
Of course, the news of Jennie Garth has been hush-hush by ABC, who typically does not release the names of the contestants until shortly before the new season begins.
Jessica Alba and Cash Warren arranged a hush-hush ceremony in 2008 when they married at the Beverly Hills courthouse, with no family or friends in attendance.
The gasp heard around the world sounded when it was revealed Jennifer Lopez and singer Marc Anthony were married in a hush-hush backyard affair.
For years people tended to be hush-hush about wearing shapewear, like it was a big secret or something to be ashamed of.
Namco is keeping pretty hush-hush about it, so expect some announcement to be made at E3 later on this year.
We tried to run him down but he was hush-hush with everyone at World Wide on his new job and where he was going.