Cher and Meryl Streep Steal the Show at 'Mamma Mia' Premiere

The iconic pop star also reveals the surprising key to her creativity, which Corden ranks as "the most Cher thing" she's ever said.

Cher made James Corden's "Late Late Show" dream come true Friday night.

While appearing on the CBS late-night show, the music icon participated in a game of "Musical Chers." The game was just like your typical Musical Chairs, except all of the contestants were dressed in iconic Cher costumes and walked around the chairs to the pop star's greatest hits. According to Corden, the epic game had been brewing in the "The Late Late Show" vault "for years."

"We came up with an idea. An idea so powerful, so groundbreaking, so revolutionary -- if I'm honest none of us here thought it would ever happen," Corden said in complete Cher drag. "Tonight, after 520 shows, it's happening."

Cher joined a member of the band, two women that work on the show -- Madison and Zoey -- and "Shameless" star William H. Macy.

The late-night host first asked Cher if she had any "tips" for how the "Chers can best find their inner Chers." The "Believe" singer simply flipped her blonde locks in response.

See who came out victorious in the clip below.

Since the "I Got You Babe" singer was there to promote her new Abba cover album "Dancing Queen," Corden asked Cher and Macy what they love about the Swedish pop group.

Although both of them said that jumped on the Abba train "late," Cher explained that singing "Fernando" in "Mamma Mia: Here We Go Again" had her fall in love with their music all over again and motivated her to create an album.

Corden then asked the pop icon what she needs for her "creative space." Dim lights? Incense? Nope, just a can of Dr. Pepper.

"Are you serious? That's it? Just a can of Dr. Pepper," Corden asked.

"No," Cher replied. "In a glass with ice. I'm not a barbarian."

"[That] is the most Cher thing I think I've heard you say," Corden joked.

Watch the full interview below.

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