Music Meghan Trainor Plays 'All About That Bass' on the Ukulele By Rosalyn Oshmyansky 11:22 AM PDT, September 5, 2014 ETONLINE It's all about the ukulele! Meghan Trainor performs "All About That Bass" like never before with an acoustic ukulele version. Showing her vocal range, in the video above, Meghan is sure to put you in a good mood today. ET's Rocsi Diaz met with Meghan in the recording studio and enjoyed the special version of the 20-year-old's hit single.The catchy song "All About That Bass" is not just a Top 40. It's changing the way girls feel about body image. NEWS: Meghan Trainor Bares All: Her Unexpected Big Break, Being Bullied and Embracing Her Body The lyrics say, "Yeah, it's pretty clear, I ain't no size 2. But I can shake it, shake it, like I'm supposed to do." NEWS: Kate Hudson: I'll Never Have an Eating Disorder She opened up to Rocsi about growing up a "chubby girl" and spoke about how young girls have reached out to her about the song. "I'm glad a lot of the comments I've gotten are about [girls'] eating disorders and how my song saved them – which is crazy, but amazing."Do you like Meghan's ukulele version better than the original?