Christina Aguilera has been the victim of attacks on her weight ever since she gained a few pounds. Now mind you, the girl looks healthy, and there should be no reason why people should have anything to say regarding it.

But leave it to the haters to take to Twitter after Aguilera's appearance at the 2012 American Music Awards this past Sunday night.

Rocking a curvy figure and short blonde bob on the red carpet, and sporting a leotard and long locks during her performance, the singer looked perfectly pretty. However, some are saying otherwise, and are yet again attacking Aguilera for her weight.

Here are a few tweets from some of the unhappy strangers: