Lady Gaga Performs Impeccable Sound of Music Tribute at Oscars 2015 in First Post-Engagement Appearance

Lady Gaga
Taylor Kinney's fiancee Lady Gaga will be performing a musical number from The Sound of Music to honor the film as part of its 50th anniversary. Kevin Winter/Getty Images

Do-Re-Mi for Gaga! Recently engaged Lady Gaga performed an impeccable medley from The Sound of Music at the 87th Academy Awards on Sunday, Feb. 22, at the Dolby Theatre in L.A.

The songstress took to the stage singing a medley of songs including "The Hills Are Alive," "Edelweiss," and "Climb Ev'ry Mountain." As Us Weekly previously reported, "My Favorite Things" was also a part of Gaga's presentation — her first official performance since her engagement to actor Taylor Kinney on Valentine's Day.

PHOTOS: 2015 Oscars red carpet — what all the stars wore!

Read article

Gaga sparkled as she displayed her musical chops, belting tunes from the beloved film as she captivated the entire Dolby Theatre audience, including none other than Julie Andrews. The Sound of Music original star walked out on stage prior to presenting the award for Best Original Score, and thanked "dear Lady Gaga" for her sweet rendition. "It really warmed my heart, it really did," Andrews told the crowd.

PHOTOS: The biggest Oscar snubs ever

Read article

Ahead of her performance, Gaga shared several behind-the-scenes photos of herself prepping for her big moment at the 2015 Oscars. "Rehearsal is a beautiful sacred space for the performer," the songstress, 28, wrote on Instagram this past week. "To go deeper and deeper. So excited for Sunday. #Oscars."

She also shared a photo with Academy CEO Dawn Hudson, who stopped by one of Gaga's rehearsals this week to support the singer. "It was such a wonderful surprise," Gaga wrote alongside a selfie with the executive. "And I am so grateful for her support and the love of Craig and Neil during this beautiful process. it's going to be an amazing show!"

PHOTOS: Celebrity Oscars PDA

Read article

More than anything, Gaga said she was looking forward to sharing her work with the world's biggest film stars and the millions of viewers worldwide who will be tuning in to the show. 

The musical number was pegged to the 50th anniversary of The Sound of Music's release in 1965. The film went on to win five Oscars at the 1966 Academy Awards, including Best Picture, Best Director, Best Sound, Best Film Editing, and Best Score.

PHOTOS: Oscar stars' looks through the years

Read article

As for whether her new fiance was there to witness her performance? The Chicago Fire hunk watched his fiancee's performance from home, as she revealed on the red carpet. "He's adorable," she noted of her future husband. "He's been wonderfully supportive… Hi honey, he's been watching from TV."

Watch highlights from her performance, as well as the full moment above and tell Us: What did you think?

For access to all our exclusive celebrity videos and interviews – Subscribe on YouTube!