MUST-SEE: Lady Gaga Surprises Everyone With Her ‘Sound of Music’ Medley at the Oscars 2015

Lady Gaga performed an impeccable medley from The Sound of Music at the 87th Academy Awards on Sunday, February 22, at the Dolby Theatre in Los Angeles.

Dressed in white and accompanied by a string section, the songstress took to the stage singing a medley of songs including “The Hills Are Alive,” “Edelweiss,” and “Climb Ev’ry Mountain”.

After her performance, ‘Sound of Music’ original star Julie Andrews came on stage to thank Gaga. “It really warmed my heart, it really did,” Andrews said before presenting the next award, for Best Original Score.

Check out her performance below: