Sienna Miller & Tom Sturridge Celebrate Oscars 2014 at Vanity Fair Party!

Sienna Miller is drop dead gorgeous in red while arriving for the 2014 Vanity Fair Oscar Party held during the 2014 Oscars on Sunday night (March 2) in West Hollywood, Calif.

The 32-year-old actress was joined at the event by her love Tom Sturridge.

PHOTOS: Check out the latest pics of Sienna Miller

So many stars hit up the Vanity Fair party to celebrate Oscar Sunday – stay tuned to Just Jared for all the pics throughout the evening.

The day before, Sienna stepped out looking gorgeous at the Chanel & Charles Finch Pre-Oscar Dinner.

FYI: Sienna is wearing an Alexander McQueen dress, belt, wrist cuffs, and bag, Dolce&Gabbana shoes, and Jennifer Fisher earrings.