'Dancing With the Stars' Premiere: What to Expect From the Reality Show

— -- ABC welcomes back "Dancing with the Stars" for its 20th season tonight.

Twelve new stars will enter the ballroom to vie for the Mirror Ball trophy.

The cast includes recent "Bachelor" star Chris Soules; actress Suzanne Somers; Rumer Willis, daughter of Bruce Willis and Demi Moore; legendary singer Patti LaBelle; LMFAO singer Redfoo; Michael Sam, who last year became the first openly gay player to be drafted by an NFL team; and Hunger Games actress Willow Shields, who, at age 14, is the youngest celebrity contestant to date.

Each star will dance either the Cha Cha, Foxtrot or Jive on the two-hour season premiere, which begins at 8 p.m. Eastern time.

Julianne Hough, Len Goodman, Bruno Tonioli and Carrie Ann Inaba all return to the judges' table. Tom Bergeron and Erin Andrews will again host.

Here's a rundown of all of the couples, the dances they will perform on the season premiere, and their musical selections:

-- Noah Galloway, U.S. Army veteran, athlete and amputee, partnered with Sharna Burgess dancing a Cha Cha to “I Lived” by OneRepublic

-- Robert Herjavec, "Shark Tank" star, partnered with Kym Johnson dancing a Cha Cha to “Bills” by Lunch Money Lewis

-- Patti LaBelle, singer, partnered with Artem Chigvintsev dancing a Foxtrot to “Lady Marmalade” by Patti LaBelle

-- Nastia Liukin, former Olympic gymnast, partnered with Derek Hough dancing a Foxtrot to “New York, New York” by Ray Quinn, featuring Ultra Love

-- Riker Lynch, "Glee" actor and member of the band R5, partnered with Allison Holker dancing a Jive to “What I Like About You” by The Romantics

-- Charlotte McKinney, model who starred in the racy Carl's Jr. Super Bowl ad this year, partnered with Keo Motsepe dancing a Jive to “Shake a Tail Feather” by The Blues Brothers

-- Redfoo, LMFAO band member, partnered with Emma Slater dancing a Cha Cha to “Juicy Wiggle” by Redfoo

-- Michael Sam, football player, partnered with Peta Murgatroyd dancing a Cha Cha to “Uptown Funk” by Mark Ronson, featuring Bruno Mars

-- Willow Shields, plays Prim in "The Hunger Games" series, partnered with Mark Ballas dancing a Cha Cha to “Lips Are Movin’” by Meghan Trainor

-- Suzanne Somers, "Three's Company" and "Step by Step" actress, partnered with Tony Dovolani dancing a Cha Cha to “Physical” by Olivia Newton-John

-- Chris Soules, recent "Bachelor" star, and Witney Carson dancing a Jive to “Footloose” by Kenny Loggins

-- Rumer Willis, daughter of Bruce Willis and Demi Moore, partnered with Valentin Chmerkovskiy dancing a Foxtrot to “Take Me To Church” by Hozier