Jimmy Fallon and Amy Adams Hilariously Take on Rihanna and Justin Bieber's Hits on 'The Tonight Show'

Amy Adams is an excellent singer, but you wouldn't know it from her latest appearance on The Tonight Show! That was on purpose, however.

The Batman v Superman star helped christen Jimmy Fallon's newest game, "Box of Microphones," on Friday. The challenge required each person to perform a random song while a random microphone from, you guessed it, a box of microphones. The catch? The colorful mics each had a special vocal effect.

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The first song Adams chose was Rihanna's “Work," with the red mic she sang into making her sound more like Darth Vader than the Barbadian singer! The 41-year-old actress didn't seem to mind though, dancing in her chair during her mini performance.

"That actually sounded pretty good!" Fallon told Adams. "And you got the moves down, too."

Fallon then took on Justin Bieber's "Sorry," which ended up sounding like a track off an Alvin and the Chipmunk's album.

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The pair sang the last song of the night together, dueting on the Grease hit, "You're the One That I Want." Fallon's sound guys changed up the vocal effect on every line, leading to a hilarious rendition that made the two sound like everything from robots to mice. Watch the entire clip below!

Adams has been making the rounds lately to promote Batman v Superman: Dawn Of Justice, which hit theaters Friday. While speaking to ET earlier this week, she revealed that her 5-year-old daughter, Aviana Olea Le Gallo, has a huge crush on Henry Cavill, who plays Superman.

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"She met him when she was a year and a half," Adams said of shooting Man of Steel, where she also took on the role of Lois Lane. "And the first thing she did -- she hates that I tell this story -- she touched his booty when he wasn't looking."

Aviana may be crushing hard on Superman, but she isn't a huge fan of her mom's character, Lois. Find out why in the video below.

Amy Adams Says Her Daughter Crushed on Henry Cavill, 'Touched His Booty' on Set

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