The catchy track, whichpromoted body positivity at any size, peaked at no.

Although, from the outside, it seemed like she had it all, underneath, Trainor was struggling.

I had like a mental breakdown," (viaPop Sugar).

Meghan Trainor on the red carpet

The pop star was ultimately forced to put her health first when her body essentially gave up.

I always knew I would be writing songs for the rest of my life."

As Meghan Trainor revealed toPeople,the happy couple was first introduced by mutual famous friend Chloe Grace Moretz.

Meghan Trainor performs onstage

Meghan Trainor explained, “I would yell, ‘Yo, what’s upSpy Kids?’

And he would go, ‘Yo, what’s up, Meghan?'”

Clearly, she made an impression.

Meghan Trainor on the red carpet

In the end, her breakout hit became “the best therapy I could have ever asked for.”

As the singer-songwriter told theBBC,her whole family is involved with her work.

Meghan Trainor and Daryl Sabara smiling

Meghan Trainor at an event

Meghan Trainor performs onstage