Twins Marlo and Margo are back, but this time Marlo is the bride; karma is cruel as Margo's sass is unleashed and family drama further escalates when a major secret is revealed; bride Val needs a gown for her icy wedding atop an Alaskan glacier.

Feisty Camila’s desire to buy a black dress may push her equally fiery mother over the edge! After years working at Pnina Tornai’s right-hand, it’s Ally’s turn to be the bride. She can’t wait to wear her 2 custom gowns, but there’s 1 big problem.

Bride Courtney is determined to look at every dress in Kleinfeld. Bride Brianna wants a dress inspired by the movie 50 Shades Freed. Bride Angela runs a circus, but she doesn’t want to look like she’s in the circus at her wedding.

“Doga” instructor Mariah is looking for a princess dress and wants her dog Coco to match, but before Mariah can say yes, Coco must approve. Jami is eloping to Paris and she needs a dress as magical as her destination, but her only obstacle is her snarky entourage.

Margo loves each gown she puts on, but her twin Marlo hates them all; one year later, when Marlo looks for a gown of her own, Margo takes revenge; between tears and secrets revealed, the sisters struggle to find common ground; with bonus scenes.

Dress shopping gets hot with “Iron Chef”‘s Cat Cora and her fiancée Nicole, but to keep things spicy the women want to hide their final looks from one another with blindfolds. Meanwhile, Rain needs a dress that will fit inside one of Coney Island’s scariest rides.

It’s sink or swim for Randy when Shark Tank’s Barbara Corcoran comes to Kleinfeld! Bride Bridgette needs a dress she can RUN in … Her wedding ceremony is taking place during a half marathon in Las Vegas!

Fashion-forward Nikki is looking for a fun, party-ready dress for her wild New Year’s Eve wedding; Natalie dreams of a finding a ball gown so massive that wedding guests will struggle to get close to her, and someone could even hide under it.

Randy's day is nonstop as he assists brides and auditions models for his runway show; Emanuela wants a sexy ball gown and she's not afraid to throw her dad's budget out the window; Marlena is finally dress shopping for a wedding years in the making.

Randy has his runway show; Monica Beets and her family have fun being fish out of water at Kleinfeld; Monte Durham and Seventeen magazine's Tiffany Reid help New York City students choose designer dresses and tuxes for the prom of their dreams.

Randy Fenoli looks back on some of his favorite celebrity moments, from celebrity brides and entourage members to big star surprises, revisit moments with Joan Rivers, Kelly Ripa, Kathy Griffin, Jillian Michaels and more.