If you've got it, flaunt it!

Taylor Swift did just that at the Vanity Fair Oscar Party on Sunday night, pairing a plunging neckline with a sky-high leg slit in a Alexandre Vauthier-designed gown. 

WATCH: Taylor Swift Takes Her Incredible Dance Moves to Her Best Friend's Wedding 

Swift accessorized the ensemble with strappy gold shoes, a gold clutch and metallic choker, rounding out her look with a sleek bob and understated makeup.

READ: All the Details From Inside the Hottest Oscars After Parties 

By Swift's side all night was her brother, Austin Swift, and her longtime pal, Lorde. The trio even hit up the party's official portrait studio for a glamorous snap by Mark Selinger.

Swift's BFF Selena Gomez was also on-hand for the festivities, but a source inside the soiree reveals that she and Swift did not appear to spend any quality time together. Rather, the "New Romantics" singer stuck close to Lorde all night and ultimately made her exit with a group that included Gomez's ex, Nick Jonas.

Swift and Lorde kept mum on social media all night, opting not to share any snaps from their Oscar-night adventures -- but Swift's 23-year-old brother did post a selfie to his Instagram account.

"Had a great time but when I heard 'fair party' I thought there would be rides," he joked.

NEWS: Taylor Swift Hilariously Accepts an Award That Tells Off the Haters 

Meanwhile, Jonas took to his Twitter account on Oscar night to gush over Leonardo DiCaprio and Kate Winslet's #FrienshipGoals, and offer kudos to Brie Larson on her Best Actress win.

He's not kidding with that #FrienshipGoals thing! See Winslet's teary reaction to DiCaprio's big Oscar win in the video below -- and prepare to get all the feels.

WATCH: Kate Winslet Has the Best Reaction to Leonardo DiCaprio's Oscar Win