Her cheeks
I don't know how to feel about this. I feel like if she was genuinely sorry for what she did, she would have said so in her first apology and not turned it into a lecture justifying why she did it. The fact that this is coming after kinda makes it seem like her PR people told her how bad the first apology was, and that she needed to do another one saying the things she said in this video.
Some apologies that seemed much more sincere and genuine are ones like Reese Witherspoon's after that video of her drunk fussing at the cop, or Giuliana's after her Zendaya comment.
I do like Ariana though and I want her to truly be sorry and learn, so she changes and stops acting like that. I think her future actions will show whether this was sincere or not.