TV Your Chance to Win 'The Girls Next Door' Box Set Published 1:00 PM PST, December 22, 2011 Getty Images The holidays are here and to get in the festive spirit, ET is giving away 63 great prizes in our 12 Days of Christmas Giveaway. Today's featured prize -- a complete box set of E!'s The Girls Next Door on DVD. Keep checking back every day for details on the other great prizes up for grabs. CLICK HERE TO ENTER the 12 Days of Christmas Giveaways Sweepstakes.Reality show The Girls Next Door revolves around the antics of a group of ladies who live with Hugh Hefner at the Playboy mansion. CLICK HERE FOR THE OFFICIAL RULES of the 12 Days of Christmas Giveaways Sweepstakes.NO PURCHASE NECESSARY. Open to US residents 18 and older. Entries must be received by December 23, 2011 at 11:59pm PST to be eligible.