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What started 19 years ago as a house party in Brookside is now the largest, longest-running ugly sweater event in the world (according to its founders + the Travel Channel).

Dust off your Rudolphs and breakout the tinsel. The Ugly Christmas Sweater Celebration is Friday, Dec. 1 at The Truman (601 E. Truman Rd., KCMO).

Get on Santa's nice list by attending — 100% of sales go directly to Operation Breakthrough. The organization, which helps children experiencing poverty in KC, provides hundreds of families with a meal on Christmas and toys under the tree.

"It's just my friends and I hustling to figure out how to promote and raise as much awareness and proceeds to Operation Breakthrough," founder Ramsey Mohsen told us.

Expect a Merry Country Christmas with this year's headliner, award-winning country music duo Maddie & Tae.

General admission starts at $30, with VIP tickets priced at $75 (including drinks).