Is Amanda Bynes mentally unstable or just rude?

The 27-year-old actress has added two more names to her ugly list; Barack and Michelle Obama.

Yes, the president and the first lady are the latest famous names to be dubbed "ugly" by the troubled former Nickelodeon star. The name-calling is completely unprovoked, but at least the Obamas are in good company. Bynes has also called Drake, Chrissy Teigen, Miley Cyrus, Jay-Z, Sarah Hyland, Lance Bass, Courtney Love, Perez Hilton, Kid Cudi and many more "ugly" over the past months.

Of course, this isn't the first time Bynes has tweeted at President Obama. After she was charged with a DUI in June 2012, Bynes tweeted at the president, asking him to fire the officer who arrested her.

"Hey @BarackObama... I don't drink," read a tweet on the actress's verified Twitter account. "Please fire the cop who arrested me. I also don't hit and run. The end."

But in addition to calling people ugly, Bynes has been documenting her obsession with plastic surgery, as well as her plummeting weight on Twitter. Back in February, Bynes revealed it was her goal to weigh 100 pounds, and soon after, not shockingly, revealed she suffered from an eating disorder. The 5-foot-8 actress recently tweeted that she was down to 107 pounds, which is quite alarming. Perhaps Bynes' nasty comments can be chalked up to the fact that she's probably not getting the nutrients she needs to be in her right mind -- otherwise, she's just plain rude.

Oh, and if you're wondering if Bynes thinks you're ugly, she probably does, but there's a flow chart so you can know for sure.

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