Can Holbrook shed any light on Spencer's arrest? Hopefully Aria asks Santa!

Officer Holbrook takes up the Santa disguise. What does he want with Aria?

Who are the new girls with Ali? Will they join the show on a more permanent basis?

There are Ice Queens all over television sets this year, right?

Here's a look at the entire group as Ali prepares to spoil the fun.

The crowd gathers. Guess who is coming into the big party!

This isn't your regular Christmas party outfit... it's an A!

With a look of horror, it appears Ali is ready to make her entrance.

Everyone turns to look at the door. Is this when Ali arrives?

Prepare for Ali to turn heads when she arrives at the Christmas dance.

Doesn't Paige look like she's channeling John Travolta from Saturday Night Fever? Looking smart, girl!

It looks like they get a chance to have a little bit of romance in an otherwise interrupted night!

It has to be getting old with the girl who came back to life ruining their lives.

With the exception of Toby, the Significant Others look on.

Spencer and Hanna are experiencing the same defeat.

Aria and Emily look like the wind has been taken out of their sails.

Emily looks as if she's about to bolt. What could be so urgent?

Alison is preparing to gaze into the mirror. Will she like what she sees?