The newly engaged songstress made quite the impression when she posed for photographers wearing a voluminous white gown custom made by Azzedine Alaia.
The real standout however, was the "Edge of Glory" singer's fabulous red leather gloves that put Amal Clooney's Golden Globes gloves to shame.
However, not everyone was a fan of her Royal Monster: after meeting Gaga on the red carpet, Oprah made a run for it!
After the ceremony, Gaga changed into not one but two Oscar after-party dresses, and obviously, they were ah-mazing.
Also on HuffPost