s ▁susp ic ions ▁that ▁Tri pp ▁was ▁responsible , ▁and ▁confront s ▁the ▁latter ▁over ▁at ▁the ▁Wald orf ▁residence . ▁This ▁is ▁revealed ▁to ▁be ▁a ▁set - up ▁brought ▁about ▁by ▁N ate , ▁Ser ena ▁and ▁N ate ' s ▁grand father ▁as ▁a ▁way ▁for ▁Tri pp ▁to ▁admit ▁that ▁he ▁was ▁behind ▁the ▁accident ▁thinking ▁that ▁N ate ▁was ▁going ▁to ▁be ▁in ▁the ▁car ▁instead . ▁ ▁Following ▁this , ▁Ser ena ▁finds ▁out ▁that ▁Bla ir ▁was ▁arrested ▁at ▁her ▁own ▁b ach elor ette ▁party , ▁and ▁r ush es ▁to ▁her ▁a ide . ▁Bla ir ▁tells ▁her ▁that ▁she ' s ▁al right , ▁and ▁that ▁since ▁she ' s ▁going ▁to ▁go ▁through ▁with ▁her ▁wed ding , ▁Ser ena ▁doesn ' t ▁have ▁to ▁pret end ▁to ▁be ▁together ▁with ▁Dan ▁anymore . ▁Ser ena , ▁however , ▁dec ides ▁to ▁keep ▁this ▁truth ▁from ▁Dan ▁a ▁little ▁while ▁longer . ▁ ▁On ▁Bla ir ' s ▁wed ding ▁day , ▁Ser ena ▁tries ▁to ▁conv ince ▁Bla ir ▁not ▁to ▁marry ▁Louis . ▁Bla ir ▁goes ▁through ▁with ▁her ▁wed ding ▁anyway , ▁even ▁after ▁G oss ip ▁Girl ▁launch es ▁a ▁video ▁of ▁Bla ir ▁profess ing ▁her ▁true ▁feelings ▁to ▁Ch uck . ▁After ▁the ▁v ows ▁are ▁said , ▁Ser ena , ▁Dan ▁and ▁N ate ▁confront ▁Georg ina ▁and ▁she ▁bl ames ▁each ▁of ▁them ▁in ▁a ▁vague ▁manner ▁before ▁leaving . ▁When ▁Bla ir