Billingsley, 44, will marry his girlfriend, Buffy Bains, a graduate of Southern Methodist University who filmed a promotional video for Chicago Young Republicans in 2010. There's no word on whether the actor will wear a bunny suit to the ceremony.
Billingsley's recent movie credits include Elf, Iron Man and The Break-Up. He also works as a producer and has executive-produced such films as Iron Man and Couples Retreat. In addition, he was an executive producer of A Christmas Story: The Musical! in 2010.