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Lizzo quit Twitter.com after complaining about the negativity of "trolls" on the social media platform. Now she explains why.

"Yeah I can't do this Twitter s**t no more.. too many troll," she tweeted on Sunday. "I'll be back when I feel like it."

Speculation ran rampant as her fans debated the real reason behind her decision to leave social media.

Many speculated that she was forced off social media by bullies who constantly reminded her what Dr. Boyce Watkins said.

The 31-year-old Detroit native was the target of Watkins, who said she is popular because there is an obesity epidemic in America.

He criticized the "Truth Hurts" singer for glamorizing morbid obesity, which is among the top 5 causes of death for women over 300 pounds.

The singer, who is born under the Scorpio star sign, explained her decision to leave social media during a benefit concert at the Sydney Opera House in Australia.

"I just want you to know that I, you know, I just took a DNA test and it turns out I quit Twitter. I quit Twitter. I'm off it. All social media is not created equal," she said.

"I would love to be on Twitter 'cause I could connect with you people who positively support me not to mention spreading my own positive messages," she said as the crowd cheered. She added: "But now I've gotten to a point where I'm not just dealing with Internet bullies, I'm dealing with seeing a lot of negativity on the Internet dealing with everyone."

She said she has thick skin, but she worries about her fans who can’t handled the bullying.

"...when I see how, not just insensitive, but hateful and hurtful we are towards each other - when I just log on every day and see something devastating and something tragic every single day. Even from my well of positivity. I feel it and it doesn't feel good."

Lizzo is performing across Australia to raise money to combat the bushfires that have scorched at least 11 million acres since arsonists set the fires in September. 24 suspects have been arrested.