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Sydney Sierota

Named one of MTV's 2014 Artists to Watch, she is the lead singer of the alt-pop band Echosmith along with her three brothers Jamie, Noah, and Graham. They released the single "Cool Kids" in 2013.

English

Guest Star

Episode The Muppets
Single All the Way
2015
Episode The Tonight Show Starring Jimmy Fallon
Josh Hutcherson, Tracey Ullman, Echosmith
2014
Episode The Late Late Show with James Corden
Colin Hanks, Juliette Lewis, Matthew Fox, Echosmith
2015
Episode Today
July 15, 2015
2015
Episode Today
September 10, 2014
2014
Episode The Tonight Show Starring Jimmy Fallon
Paul Rudd, Jon Glaser, Echosmith
2015