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'Every inch of you is perfect': Singer's message goes viral in 'All About That Bass'

The song “All About That Bass” isn't only about a catchy beat, a fun video and a party-ready chorus. Its lyrics also carry a body positive message: “It's pretty clear I ain't no size 2/But I can shake it, shake it like I'm supposed to do" and "Every inch of you is perfect from the bottom to the top."The viral video is gaining a big following for its 20-year-old singer, Meghan Trainor. On Tu

The song “All About That Bass” isn't only about a catchy beat, a fun video and a party-ready chorus. Its lyrics also carry a body positive message: “It's pretty clear I ain't no size 2/But I can shake it, shake it like I'm supposed to do" and "Every inch of you is perfect from the bottom to the top."

The viral video is gaining a big following for its 20-year-old singer, Meghan Trainor. On Tuesday Trainer talked with Savannah Guthrie about her YouTube hit, which has received close to 1.5 million views since posting last month.

On her body image struggles: Trainor, who wrote the song, said she’s very familiar with the dilemma over looks and weight.

“I definitely wrote it for myself because I struggled with that forever,” Trainor told TODAY.

On the pressures of social media: “With social media, with Instagram and selfies and all these apps that are trying to make you look perfect... it’s hard for girls to grow up nowadays with all that stuff,” Trainor said.

Research shows she's right. Eighty-five percent of teen girls worry about their appearance frequently, according to the TODAY/AOL Body Image Survey. And some 80 percent of 10-year-old American girls have been on a diet, according to a study by the Keep it Real Campaign.

On embracing your imperfections: Trainor defiantly says she's "bringing booty back." 

In the song, she also calls out the fashion world for creating impossible standards of beauty: “I see the magazines working that Photoshop/We know that (expletive) ain’t real, c’mon make it stop,” she sings. "You know I won't be no stick-figure, silicone Barbie doll."

On her simple quest: Trainor, a Nantucket native who received her first songwriting deal when she was 18, was recently signed to L.A. Reid's Epic Records label.

She’s amazed her "fun song” has inspired so much talk and attention.

“It’s incredible and I’m so happy and thrilled that people are reacting to it,” Trainor said.

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