Though the Long Island native declared halfway through the evening, I cant banter back and forth.

Its gonna take all night, Carey continued to chat up the crowd between sips of eggnog.

one young boy yelled enthusiastically, cuing Carey to belt Oh Santa offMerry Christmas II.

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Credit: Dave Kotinsky/Getty Images

The 45-year-old singer also teased that shed like to write more Christmas originals because they make me happy.

She continued, Theyre some of my favorite work that Ive ever done.

But she also peppered in some of her non-holiday classics on Tuesday night.

Despite straying from the sleigh a bit, Carey delivered a truly festive kickoff to the holiday season.

Here were the nights merriest moments:

9.

Santa, I know him!

she said, quotingElf, as the bearded man arrived on stage from the aisle.

When theA Christmas Melodyactress concluded, she slowly backed away from the mic.

She scatted her way to the top, as the crowd sang and swayed along.

She ended the night with the holiday hit, natch.

TheAll I Want For Christmas Is Youconcert series continues at Beacon Theatre through Dec. 18.