If this doesn't tug at your heartstrings, we're not sure what will.

Never before seen footage has been released from the late Amy Winehouse's upcoming documentary, Amy, and let's just say we're fighting back the tears.

In the clip, a then 14-year-old belts out an impressive rendition of "Happy Birthday," hitting notes that we only dream of while singing in the shower.

The documentary takes an in-depth look at the singer's life before she died tragically of alcohol poisoning in July 2011 — Amy hits theaters nationwide on July 10. Check out the clip below: