Jennifer Garner is reportedly supportive of her ex-husband's new relationship.It was recently revealed that Ben Affleck is now dating actress Ana de Armas.A source told Us Weekly, "Jen has completely moved on."Ben Affleck is moving on, and his ex-wife, Jennifer Garner, apparently thinks his new relationship is great.While Affleck recently called his divorce from Garner the "biggest regret of my life," the actor is reportedly dating someone new.