WATCH: English singer-songwriter Adele performs live from the set of "The Late Show with David Letterman."
The Grammy winner is belting out her signature songs "Live on Letterman" from the Ed Sullivan Theater in New York City.
Other artists who've appeared "Live on Letterman" include Katy Perry, Brad Paisley, Bon Jovi, Sheryl Crow and Mary J. Blige.
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Sienna Miller, Miranda Lambert, and Eva Longoria all get an F on this week's Fashion Offenders.
Check out The Rock's best Instagram videos of 2014 on today's Celebs Gone Social, hosted by Wonderwall Editor Jessica Wedemeyer.
Kim Kardashian chaperones North and Penelope as the family celebrates Mason's fifth birthday on today's Celebs Gone Social.
Chrissy Teigen shows off her hidden talent for magic tricks while hubby John Legend plays with his new selfie stick on today's Celebs Gone Social.
From Miley Cyrus and Patrick Schwarzenegger to Kris Jenner and Corey Gamble; check out these odd celebrity couples.
Watch Bon Jovi as he plays his '80s jams on "Today."
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