Blair has been hiding away, planning her wedding with Louis while secretly spending time with . While Chuck and Louis suspect an affair, Dan is actually her only confidant regarding her religious vow. Serena’s Cover-Up The End of the Affair? | Gossip Girl Wiki | Fandom
After the crash, Chuck was near death. Blair made a "pact with God," promising that if Chuck lived, she would follow through with marrying Louis and never be with Chuck again. Watch Gossip Girl S05E11
Through emotional flashbacks, Blair finally explains her cold behavior toward Chuck. Blair has been hiding away, planning her wedding
Nate begins investigating the crash, discovering evidence of foul play , specifically that the brakes on the limo had been tampered with. 💍 Major Plot Points Blair's Secret Blair has been hiding away