Lip Sync Battle - Season 4

Lip Sync Battle kicks off a brand-new season with an iconic tribute to megastar Christina Aguilera’s music as the queen of pop guest stars and Taye Diggs and Erika Jayne sync some of her greatest hits.

Multi-platinum recording artists Fifth Harmony square off in an epic four-way battle in the LSB arena.

Figure skaters Tara Lipinski and Johnny Weir do battle.

LaVar Ball battles his son, L.A. Lakers point guard Lonzo Ball.

Oscar winner Kathy Bates battles her "Disjointed" co-star Tone Bell.

Hot-throb artist Luis Fonsi takes on supermodel Joan Smalls.

A cappella group members go head to head.

Roastmaster Jeff Ross takes on "Saturday Night Live" alum Rob Scheider.

Singer-songwriter Michael Bolton takes on Pete Davidson of "SNL."

British artists Charli XCX and Rita Ora battle it out as pop icon Boy George serves as the DJ.

"American Woman" stars Alicia Silverstone and Mena Suvari take the LSB stage by storm with a psychedelic ride and a thrilling throwback, but only one can be named the champ.

Legendary country artist Shania Twain graces the stage; Derek Hough and Nicole Scherzinger lip sync her greatest hits.

In an epic East Coast housewives battle, RHONY's Ramona Singer takes on RHONJ's Melissa Gorga for the LSB belt.

Daytime Emmy Award winning actress Karrueche Tran battles actor Deon Cole for the LSB championship belt.

It's a battle for the ultimate rose when Rachel Lindsay of "The Bachelorette" takes on Ben Higgins of "The Bachelor."

Comedic powerhouse Lil Rel Howery battles the remarkable talents of singer-actress Naya Rivera.

Actors Melanie Field and Brendan Scannell of "Heathers" square off.