It's finally time! Today is DAY 1 of Ellen's 12 DAYS OF GIVEAWAYS! This year, she's giving away some of the biggest gifts ever, and you can win from home! The release of her latest album proved that TAYLOR SWIFT is unstoppable! She's back today to perform her hit single, "Back to December." MANDY MOORE is living every little girl's dream -- she's a Disney princess! Her brand new movie, "Tangled," was just released, and she's here to tell Ellen all about it!