Kanye West & Estelle
The two superstars perform their Grammy-award winning single "American Boy," only seven months before West's infamous moment with Taylor Swift at the MTV Video Music Awards.
Jonas Brothers & Stevie Wonder
One of the most surprising collaborations of the night came when Nick, Joe and Kevin Jonas paired up with the jazz legend to give a rendition of their hit singles "Burning Up" and "Superstition" respectively.
Justin Timberlake & Al Green
The two teamed up with Boys II Men and Keith Urban to sing a cover of Green's soul song "Lets Stay Together."
Sugarland
The duo's song "Stay" won two awards that evening, including Best Country Performance by a Duo or Group with Vocal and Best Country Song.
Coldplay
Chris Martin and his band picked up numerous awards, including Song of the Year for their hit song "Viva La Vida."
Miley Cyrus & Taylor Swift
The two paired together to give a duet of Swift's award-winning single, "Fifteen."
Carrie Underwood
The country superstar posed in the Grammy press room with her Grammy for Best Female Country Vocal Performance for her hit "Last Name."
Nicole Kidman & Keith Urban
The Oscar-winning actress wore this shimmery gold dress as she made an appearance with her husband.
Adele
The then 20-year-old picked up Best New Artist after the release of her chart-topping debut album 19.
Audrina Patridge
The Hills star rocked the red carpet while wearing this strapless Tadashi gown. Fast-forward to today and fans are gearing up for the MTV show's reboot.
Deadmau5
The DJ walked the red carpet wearing his signature mouse head as he celebrated his two nominations, both for his remix of the song "The Longest Road."
John Mayer
The singer-songwriter took home two awards that night, one for the song "Gravity," and the other for his smash-single "Say."
LIl Wayne
The rapper took home four Grammy awards that night, including Best Rap Album for Carter III.
Katy Perry
The singer performed on stage after receiving her first Grammy nomination for her hit single, "I Kissed a Girl."
M.I.A.
The very pregnant rapper teamed up with T.I., Jay-Z, Lil Wayne and Kanye West to give a jaw-dropping performance of "Swagga Like Us."
Paula Abdul
The American Idol judge shinned bright in this yellow dress by late designer Basil Soda.
Whitney Houston
The late singer presented the Grammy Award for Best R&B Album to newcomer Jennifer Hudson.