Who Is Ruining Neil Patrick Harris' Wedding?! Watch How I Met Your Mother's Final Season Trailer HERE!

How I Met Your Mother is coming to an end, and all will be revealed!

We already met the mother. So now there’s a new mystery- Who will ruin Barney’s wedding??

Will it be lovelorn Ted? Doubtful Robin? The mother?

Ch-ch-check out the pics (below) to see all the usual suspects!

Then find out the truth by watching Neil Patrick Harris and Alyson Hannigan in the final season promo of How I Ruined Your Mother’s Wedding …AFTER THE JUMP!!!