Holly Sedillos splits her time between the studio and the stage. On stage, she has performed everything from Jasmine in Aladdin: A Musical Spectacular! at Disney's California Adventure Park, to her upcoming Los Angeles Philharmonic soloist debut (Jan 2019), singing a piece called Grand Pianola Music by composer John Adams. Since 2009, Holly has sung with the Los Angeles Master Chorale, LA's professional, union choir, and resident choir of Walt Disney Concert Hall.

Holly was Ariel's sister Aquata in the Hollywood Bowl production of The Little Mermaid, and will be one of Gaston's ridiculous entourage girls in the Bowl's production of Beauty and the Beast in May 2018. Holly is becoming a go-to soprano for strange and exceedingly difficult new classical music. She studied at the Joanne Baron/D.W. Brown Acting School for 3 years, and for a year at Warner Loughlin, and brings this training into every classical work she performs.

In summer of 2017, Holly spent a month in Avignon, France at the International Theater Festival, portraying Anaïs Nin in Anaïs: A Dance Opera. In spring and fall of the same year, she toured the west coast with Hans Zimmer's live show. Holly grew up in Santa Monica, playing the French Horn and soccer at Samohi. She graduated from Dartmouth College, with a B.A. in Music.