While choking on tears, Wilkinson said, "10 years ... I did everything I could," adding, "It wasn't enough."
The former Playboy star doesn't use Baskett's name, but says, "I believed him forever, I really did ... I guess it's just not meant to be."
Wilkinson doesn't outright say she's filing for divorce on Monday, but she showed a photo from their wedding and captioned it, "I believed," and then a photo of her clothes with, "Picking this outfit was hard. shaking the whole time."
The couple has had a tumultuous relationship for years, and during the last few weeks, there have been rumblings the marriage was officially donezo.
Early Monday morning Wilkinson originally eluded that she would be filing for divorce by saying, "Today will be the saddest, scariest day of my life,” and, "I will have to be the strongest I’ve ever been. Today, my rebirth begins."
Wilkinson and Baskett were married in 2009 and have two children.