In the first ever Cupcake Wars all-vegan showdown, four vegan bakers fight to have their cupcakes at the opening day celebration for the inaugural Los Angeles Green Festival.

Four cupcake makers vie to have their treats presented at the Alma Awards.

Four talented cupcake bakers vie for the chance to have their delicious displays featured at a charity golf challenge hosted by comedian George Lopez and wife Ann Lopez. Contestants include: Hollis Wilder of Sweet! (Orlando, Fla.), Karla Jennings of Sugar Cupcakery (Milford, Ohio), Catarah Hampshire of Southern Girl Desserts (Los Angeles) and Todd Becker of Beckers Bakery (Manhattan Beach, Calif.).

Horror director Eli Roth is special guest judge, as four cupcake bakers try to scare their way into the closing night VIP party for Scream Fest at the famous Grauman's Chinese Theater in Hollywood.

Four returning bakers who all lost previous Cupcake Wars come back to fight for redemption and a place at the 100th Episode celebration of the hit show "The Closer."

Get ready to rock as four cupcake bakers battle to take the stage at the Los Angeles opening of the Broadway smash hit "Rock of Ages."

The men of Cupcake Wars go to battle as four returning bakers compete for a place at the VIP party for the hit show "Yo Gabba Gabba Live."

'Tis the season for cupcakes as four talented cupcake bakers battle for a place among the stars at the Hollywood Christmas Parade.

Four returning Cupcake Wars champions fight to present their cupcakes to music's biggest celebrities at the after party for the American Music Awards.

The Year of the Dragon is about to begin, as four bakers battle to have their cupcakes at the Los Angeles celebration of the Chinese New Year.

It's going to get a little weird in the Cupcake Wars kitchen when four competitors try to bake their way to an exclusive book release party for iconic comedian, and guest judge, "Weird Al" Yankovic.

Four cupcake bakers battle for a place at the star-studded party for the Los Angeles opening of the hit Broadway musical "Wicked."

Four talented bakers compete to have their cupcakes at the opening night party for the New York City Ballet's performance of The Nutcracker.

Cupcakes meet high fashion as four talented bakers vie for a place at a VIP celebration for Vanessa and Angela Simmons' Pastry Shoes.

It's time to laugh out loud as four cupcake bakers try to take their cupcakes viral at a VIP party for FunnyOrDie.com.

The competition challenge is to create the best cupcakes and cupcake display for Food Network's hit series Ace of Cakes (2006)'s 100th episode party in Baltimore, Maryland. Host Duff Goldman is a guest judge.

The viewers will be choosing the ingredients for this special episode of Cupcake Wars, where four bakers compete for the opportunity to be front and center at a celebrity packed VIP party for The People's Choice Awards. The People's Choice Awards president, Fred Nelson, serves as guest judge.

Four cupcake bakers try to score their way into the celebration of the Major League Soccer Cup Finals.

Four creative cupcake bakers go head-to-head in hopes of having their sweets featured at a seaside birthday party. Contestants include: Lindsay Morton of Dollhouse Bake Shoppe (Santa Monica, Calif.), Brett Thompson of Milk (Los Angeles), Allyson Fiander of Daddy Cakes (Topeka, Kan.) and Tracey Buchanan of Sweet Bakery & Café (Ellicot City, Md.).

Modern ingredients meet the classic cupcake in this challenge.

Four bakers try to hang on as they fight for a place at the star-studded party for the Professional Bull Rider's Award Ceremony on the Las Vegas strip.

Tiffani Thiessen acts as guest judge when four returning bakers compete to have their cupcakes served at her birthday party.

Cupcakes for the South Beach Wine and Food Festival in Miami are prepared by four returning bakers. Jeff Mauro, host of "Sandwich King," is the guest judge.

Four bakers compete for the ultimate merit badge: their cupcakes at the 100th birthday bash for the Girl Scouts of the USA.

Four artistic cupcake bakers battle it out in an aphrodisiac-inspired challenge for the opportunity to have their mouth-watering treats featured at a star-studded magazine party. Contestants include: Chloe Coscarelli of chefchloe.com (Los Angeles), Shannon Noormand of Crushcakes Cupcakery (Santa Barbara, Calif.), Shayrin Badillo of Cupcakes Nouveau (Coral Gables, Fla.) and Jeff Bonilla of Cups (La Jolla, Calif.).