By Greg Gilman LOS ANGELES (TheWrap.com) – "Glee" stars Darren Criss and Jenna Ushkowitz are joining Christina Applegate, Minnie Driver, Jenna Elfman, and Anna Kendrick at the third annual "Celebration of Dance" Gala on July 27, the Dizzy Feet Foundation and the Music Center announced on Wednesday. Applegate will present the DFF Inspiration Award to Chita Rivera, while "Pitch Perfect" star Kendrick will present Lionsgate's president of production, Erik Feig, with the DFF Impact Award. …
