<P> `` Love Is an Open Door '' is a song written by Kristen Anderson - Lopez and Robert Lopez for Walt Disney Animation Studios 's 53rd animated feature film Frozen ( 2013 ) . Performed by Kristen Bell and Santino Fontana as Anna and Prince Hans respectively , `` Love Is an Open Door '' is a romantic duet which takes place during the first act of the film , when Anna meets Hans during the reception of her sister Elsa 's coronation . The song was intended by Lopez and Anderson - Lopez to `` feel like the perfect first date '' , inspired by the date depicted in the film The Karate Kid ( 1984 ) . </P>
who sings love is an open door in frozen
Kristen Bell and Santino Fontana as Anna and Prince Hans respectively