Not all celebrity couples make like Kim Kardashian and Kanye West. In other words, some got married very much on the Down Low.
So low down, in fact, that we didn't even know they were planning on getting hitched until the big day had already come and gone!
Some of these surprise celebrity marriages may even last, too, although in some cases, more forethought may have been prudent ...
JENNIFER ANISTON AND JUSTIN THEROUX
Jennifer Aniston and Justin Theroux told guests in August 2015 that they were attending a birthday party at their home. But then they went ahead and got hitched!
IAN SOMERHALDER AND NIKKI REED
Four months after announcing their engagement, Ian Somerhalder and Nikki Reed quietly exchanged vows in Santa Monica ... without anyone outside their inner circle knowing about it until it had already gone down!
KRISTEN BELL AND DAX SHEPARD
Kristen Bell and Dax Shephard got married on the spot in 2013 after a court employee offered up an immediate ceremony. The entire thing cost $142.
KELLY CLARKSON AND BRANDON BLACKSTOCK
Kelly Clarkson and Brandom Blackstock engaged vows in an intimate ceremony in Tennesse. The singer simply told fans about it the next day via social media.
KERRY WASHINGTON AND NNAMI ASOMUGHA
Kerry Washington and Nnami Asomugha got married in Idaho... and that's still all we know. Few stars are as guarded with their personal information as the Scandal beauty.
ANNE HATHAWAY AND ADAM SHULMAN
Anna Hathaway used the same wedding planner who helped keep Natalie Portman’s nuptials quiet when she tied the knot with Shulman in 2012.