One interesting plotline could be a time - travel twist. Maybe Blair travels back in time to their first meeting and realizes she wants to change some things to make their wedding day even more perfect. Another could be a 'what - if' scenario where Chuck and Blair have to deal with a long - lost relative showing up right before the wedding and causing chaos.
Some fanfictions might focus on a secret admirer of Blair's trying to stop the wedding. This could add a lot of drama and suspense to the story. There could also be a plotline where Chuck has to prove his love to Blair in a very public and grand way during the lead - up to the wedding, like some sort of public apology or a big romantic gesture.
Serena is often a popular character in these fanfictions. She might be Blair's maid of honor and get involved in all the pre - wedding drama. Nate could also be a prominent figure, perhaps as Chuck's best man, and his relationship with other characters can add more depth to the story.
One interesting plotline could be Blair and Chuck facing new challenges in their relationship that are different from what's shown in the original series. For example, they might have to deal with a new social rival who tries to break them apart.
There's also 'Chuck and Blair's New Beginning'. This fanfic takes a different approach. It starts with them in a new city, away from all the drama of the Upper East Side. They have to build their relationship from scratch without the influence of their families and the gossip mill. It's a refreshing take on their story.
One interesting storyline could be about how Chuck and Blair navigate parenthood while still dealing with the Upper East Side drama. Maybe they face challenges from their families or friends who have different ideas about how they should raise their baby.
Love and passion are common themes. Their relationship was so intense on the show, and fanfiction often explores that further.
One interesting plotline could be Jack trying to win Blair over in a more genuine way. Maybe he starts to understand her deeper desires and tries to be the person she really needs. For example, he could help her with her fashion business aspirations.
One interesting plotline could be Jenny trying to outwit Chuck in the fashion business. Since Jenny is interested in fashion and Chuck is a shrewd businessman, their interactions in this area can create a lot of drama.
A really popular Blair and Chuck fanfic is 'The Empire of Their Hearts'. It shows their journey from being rivals to lovers in a very detailed and engaging way. The author does a great job of writing their dialogue, which feels very much in line with their characters on 'Gossip Girl'. There's also 'Chuck and Blair: Forever Entwined' which focuses on their relationship post - show, imagining different scenarios for them.
One great Blair and Chuck fanfiction is 'The Redemption of Chuck Bass'. It delves deep into Chuck's journey to become a better man for Blair. Another is 'Blair's New Beginning with Chuck' which shows their relationship after overcoming many obstacles. There's also 'Chuck and Blair's Paris Adventure' that takes them on a romantic escapade in Paris.
One popular theme is their complex relationship. Fans often explore the push - and - pull dynamic between them. Another theme is their rise in the Upper East Side society. Also, their personal growth and how they overcome obstacles together are common themes.