Amy Winehouse has always had powerful pipes.
A recently-released clip from the documentary Amy shows the young singer belting out a jazzy rendition of "Happy Birthday" at just 14 years old. Winehouse is also seen lounging with friends and happily licking lollipops.
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The documentary follows the life of the troubled singer, who rose to fame in 2006 with the release of her Grammy-winning sophomore album, Back to Black. The singer died in 2011 of alcohol poisoning.
Amy will be released in theaters July 3.