Forget ugly Christmas sweaters — Kim Kardashian had other plans for Vas J. Morgan’s buzzy holiday party.

The reality star, 45, shimmied into an archival Tom Ford-era Gucci gown for the West Hollywood fête Thursday night, taking advantage of the plunging neckline to show off a lacy bra.

The jersey dress hugged her curves and was cinched at the waist with an ornate double dragon buckle. She had a luxurious long fur coat, which she shrugged off her shoulders to bundle up against the December chill.

The Skims mogul pulled her hair back with a black headband and wore icy pink blush on her cheeks.

The dress came from Gucci’s Fall 2004 collection — a particularly special era, as it was the final one Tom Ford designed for the house before he left to found his own label.

The white version of t

See Full Page