AceShowbiz -

John Legend delivered a perfect rendition of "La La Land" soundtracks at the 89th Academy Awards on Sunday, February 26. The 38-year-old singer's performance was emotional and mesmerizing despite the fact that Legend learned the songs in just a week.

Legend was introduced by "La La Land" stars, Ryan Gosling and Emma Stone. The husband of Chrissy Teigen sat behind a piano as he started to sing "City of stars". Many dancers entered the stage and danced around Legend as he sang Gosling and Stone's duet from the movie.

Legend continued his performance by singing his second song "Audition (The Fools Who Dream)" with blue galaxy background behind him. The background also showed two dancers floating and tumbling as they danced in the outer space. Legend concluded his performance by singing some lines from "City of Stars" again.

Prior to his amazing performance, the "All of Me" hitmaker confessed that he was extremely nervous to perform. "I just learned it this week! It's a challenge. I'm usually playing my own songs on television. But I'm gonna try and pull it off tonight," said Legend during an interview with E! News on the red carpet.

Lin-Manuel Miranda also hit Oscars' stage as he performed the soundtrack of "Moana", "How Far I'll Go", with the movie's voice actress Auli'i Cravalho. The 37-year-old composer surprised the audience as he began his stage by rapping about Moana's inspiring strength.

"Before she sings a solo, shall I set the scene?/ Picture a young warrior not even 17/ She dreams of open seas, she's full of hope and sees/ A future where she sets a sail and row against the open breeze/ She doesn't know that she's a voyage in descendant/ Impatient, independent, heart of nature in that pendant/ The ocean's at her feet/ She opens her eyes to find her mind is on her island/ But her eye's on the horizon line," Miranda rapped before he turned to the stage and Cravalho started belting the song while a group of dancers waving blue-tinted flags moved elegantly behind her.