Sophie and Katherine, the sisters who made the TLC show DC Cupcakes a hit, will return to Myrtle Beach on July 20, 2013 in an attempt to construct the world's largest cupcake. 

The event is part of Myrtle Beach's 75th anniversary celebration that will also feature a Beach Music Festival. It will be on Ocean Boulevard from 5:30 to 10:30 p.m. with a meet and greet from 5:30 to 6:30 p.m. and free cupcakes for everyone at 7 p.m. The event is free and open to the public.