NEW YORK (AP) -- Ariana Grande has apologized for a second time for licking doughnuts and saying "I hate America."

Ariana Grande
Ariana Grande (Photo by Jordan Strauss/Invision/AP, File)
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The singer said in the video clip posted late Thursday that she's "disgusted" with herself. She adds that she didn't clearly convey her true feelings in her first apology -- a written statement in which she ranted about obesity in America.

"Seeing a video of yourself behaving poorly that you had no idea was taken is such a rude awakening. It's like you don't know what to do. I was so disgusted with myself, I wanted to shove my face in a pillow and just disappear," she said in the four-minute clip.

Grande came under fire this week when TMZ posted a video of her licking doughnuts and saying "I hate Americans. I hate America" inside a doughnut shop in Southern California.

"I'm going to come forward and own up to what I did and take responsibility and say I'm sorry," she said in the video, which had close to 1 million views on YouTube by Friday morning.

Meanwhile, the doughnut shop has had its health rating reduced from an "A" to a "B" because of the incident. Riverside County health officials said the shop violated state food laws by leaving the doughnuts out unprotected and exposed to customers.

And police in Lake Elsinore, where the doughnut shop is located, said Friday their investigation into Grande's doughnut-licking" continues. They wouldn't comment on the specifics of their probe.

"I'm 22. I'm human. I still got a lot to learn. I make mistakes, and that's how I'm gonna learn," Grande continued. "It's all a process and I want to be as good as I possibly can be for my babes."

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