Alessandra Ambrosio - Vanity Fair Oscars Party 2013

Alessandra Ambrosio keeps it majestic with a sheer dress while attending the 2013 Vanity Fair Oscar Party held at Sunset Tower on Sunday (February 24) in West Hollywood, Calif.

Earlier in the day, the 31-year-old supermodel showed her love for Adele by tweeting, “Nothing better than listening to #adele and getting ready for the #vanityfair red carpet with @victoriassecret makeup #oscars #oscar2013.”

PHOTOS: Check out the latest pics of Alessandra Ambrosio

The night before, Alessandra was seen holding hands with her fiance Jason Mazur while heading to Mario Testino’s Prism Exhibit in Beverly Hills.

FYI: Alessandra is wearing a Zuhair Murad gown.