The 100th episode of the Gossip Girl airs on Jan. 30 and the network is planning quite an event to celebrate the milestone: the wedding of Blair Waldorf to prince Louis. Below you can also take look at the latest set photo. You’ll notice that Leighton Meester wears a wedding ring.

• There will be a pretty epic scene involving Dan and Blair in one of the upcoming episode that shows he’s still very much an important part of her life.

• There will be a Blair and Louis scene that shows Chuck may be even more important to Blair than anyone.

The Gossip Girl‘s 100th episode, which airs January 30., will not only feature Blair’s wedding, but plenty of surprises and rewards for faithful viewers. Here are spoilers:

- This is the biggest episode yet since the pilot.

- The title is “G.G.”’ as in the movie Gigi.

- There will be a big dance sequence in which “we were all dressed as people who are not ourselves”, Blake Lively shared a spoiler.

- Penn Badgley said that on wedding day, “Dan has a role to play that is not conventional” … and that once viewers find out what it is, “There will be a lot of gasping.

- There’s currently a casting going on for main cast lookalikes.

-Chuck is present at Blair’s royal wedding on Jan. 30., we can all assume that he survives the car wreck.

That’s all for now.

Make sure you watch!