"Dancing With the Stars" returns this week to celebrate its 500th episode. Here's what to know about the night's theme and songs and dances the couples will perform.

After 21 Emmys, 51 pros, 394 Stars, 32 winners and thousands of iconic performances, Dancing with the Stars celebrates its milestone 500th episode on Tuesday with a night full of star-studded moments.

The special is currently in production in Florida at Walt Disney World, with Julianne Hough also taking part. According to ...