Christiana Grammer and her sister, Rebecca Grammer-Ybarra, who run Suite 106 Cupcakery in Rancho Cucamonga, have returned for the third time to the Food Network’s “Cupcake Wars” show.

The episode will air at 8 p.m. Sunday on the Food Network.

Will they win again? You’ll have to tune in to find out!

Suite 106 Cupcakery is at 12434 N. Mainstreet in Victoria Gardens.