The season 34 premiere episode of "Dancing with the Stars" features a high-energy opening number and celebrity-pro duos performing dances such as the tango, cha cha, salsa and jive.

Jen Affleck is one of 14 celebrity contestants who’ll be competing on season 34 of “Dancing With the Stars.” Despite her last name, the 26-year-old is not related to movie star Ben Affleck. Jen is ...