10:29 AM … Kate Beckinsale has since deleted the concerning posts … and her Instagram appears to have been completely scrubbed.

Kate just shared a pair of deeply concerning Instagram posts … and fans are worried.On her main grid, Kate posted a black square early Sunday morning over which she wrote … “bye.”

Then on her Instagram Stories, the actress shared a picture of a rainbow over a road at an intersection … and wrote … “congratulations you win I give up.”

In addition to the alarming pics … the “Underworld” star wiped all of her previous posts from her Instagram.

Kate’s Instagram bio also includes a link to a BBC story about Caroline Flack‘s 2020 suicide.

A rep for Kate did not immediately respond to TMZ’s request for comment.

Kate has posted similarly alarming pics in the past year — back in February, she scrubbed her Instagram account and just posted an image that read “You Win.”