Robert Brown|Sharon Stone shows off large black eye, explains how she got it

Sharon Stone is Robert Browndoing OK after sustaining a nasty injury on vacation.

After the "Basic Instinct" star, 66, shared a photo of herself with a black eye Wednesday on Instagram, she followed up with a video on Thursday to explain what happened.

"I've been in so many hotels in so many countries that I got up in the middle of the night to pee and didn't know where I was and smacked my face on the marble," she said. "No, nobody did anything to me, and yes, I'm just fine, and I'm having a great time."

The Oscar nominee's previous Instagram post featured a photo of her standing in an elevator, with bruising clearly visible on her left eye. "This trip has been tough; but I’m tougher," she captioned the photo.

Concerned fans quickly chimed in to ask what happened.

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In her update video on Thursday, the "Casino" actress addressed those who were "worried" about her. In the clip, she was wearing sunglasses but lifted them up briefly to show her eye was "getting better," though it was still noticeably bruised.

"It really is a good looking shiner," she said, quipping, "You should see what I did to that marble floor."

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Stone is currently on vacation in Turkey, according to her other recent Instagram posts, and she shared a look at the backyard of her hotel room on Wednesday.

She said she is being welcomed "very beautifully" everywhere she has gone on the trip and is having "the greatest time."

"Thanks so much for caring about me," she told fans. "I care about you too."

The actress also recently shared that her 19-year-old son Laird is getting ready to leave for college and posted a photo of them together on Instagram, writing in the caption, "Walking in the streets of Rome w my son before he leaves for pre med school."