The American Film Institute celebrated George Clooney’s illustrious career by presenting him with their Lifetime Achievement Award at a glitzy event held on Thursday. As part of the ceremony, Miley Cyrus took to the stage at Los Angeles’ Dolby Theatre and belted out a rendition of “I Am A Man Of Constant Sorrow”, according to a tweet from the AFI. The song holds significance to Clooney as he lip-synced it in the 2000 Coen brothers film “O Brother, Where Art Thou?”. Despite being 17 years older than his lawyer wife Amal, the 57-year-old actor and director remains as grizzled and iconic as ever.

Spotlight: The American Film Institute gave its Lifetime Achievement Award this year to the grizzled George Clooney, throwing a gala in his honor on Thursday co-starring Miley Cyrus

The American Film Institute awarded George Clooney with its Lifetime Achievement Award this year and celebrated with a grand ceremony on Thursday. The event featured a musical performance by Miley Cyrus, who was accompanied by a group of male musicians dressed in a rustic style. Miley looked stunning in a pair of high-waisted black and white pinstripe pants and an artfully rumpled white shirt tucked in. She left a few buttons undone to showcase her necklaces and swept her blonde hair back, except for the front sections that framed her face. To complete the look, she wore a pageboy cap.

Songbird: Miley Cyrus hit the stage of Los Angeles' Dolby Theatre during the proceedings, singing I Am A Man Of Constant Sorrow, per an AFI tweet

Miley Cyrus took the stage at the Dolby Theatre in Los Angeles and performed a rendition of “I Am A Man Of Constant Sorrow,” as reported by the American Film Institute on Twitter.

Significance: George, who at the age of 57 is 17 years his glamorous lawyer wife Amal's senior, lip-synced the song in his 2000 Coen brothers film O Brother, Where Art Thou?

At the ripe age of 57, George is 17 years older than his stunning lawyer spouse Amal. He entertained fans by lip-syncing to the song in his 2000 Coen brothers movie O Brother, Where Art Thou?

The look: Accompanied by a claque of male musicians dressed in frontier chic, Miley performed in a high-waisted pair of black and white pinstripe slacks

The Appearance: Miley took the stage with a group of male musicians, all dressed in a western-style attire. She was sporting a stylish pair of high-waisted pants in black and white pinstripes.

Jewelry display: Her artfully rumpled white shirt was tucked in, and the 25-year-old left several buttons undone to reveal her tangle of necklaces

The young lady wore a stylishly disheveled white shirt, tucked in and with a few buttons open to showcase her collection of necklaces. Backstage, she was spotted mingling with the famous Bill Murray, who had co-starred with George in three hit movies – The Monuments Men, Fantastic Mr. Fox, and A Very Murray Christmas. Miley and Bill were seen sipping on refreshing lemon iced beverages while sitting near a table that held a bottle of Belvedere vodka. They were also captured in photos socializing with two beloved TV icons, Jennifer Aniston and Courteney Cox, both stars of the massively popular 90s sitcom Friends.

Snappy: Sweeping her blonde hair partly back and letting the rest of it fall forward to frame her face, the daughter of Billy Ray Cyrus rounded off the look with a pageboy cap

With a chic approach, the daughter of Billy Ray Cyrus styled her blonde locks by pulling back only a portion of it while leaving the rest to fall on her face. To complete the effortless and trendy look, she added a pageboy cap.

Swank: She was glimpsed backstage hobnobbing with Bill Murray, George's co-star in three films - The Monuments Men, Fantastic Mr. Fox and A Very Murray Christmas

Swank was spotted chatting backstage with Bill Murray, who had appeared alongside George in three movies including The Monuments Men, Fantastic Mr. Fox, and A Very Murray Christmas.

Three years on: A Very Murray Christmas, directed by Oscar-winning screenwriter Sofia Coppola (daughter of Francis Ford Coppola), was a 2015 movie musical co-written by Bill

In 2015, director Sofia Coppola (who happens to be the daughter of Francis Ford Coppola and an Academy Award winner) directed A Very Murray Christmas, a movie musical co-written by Bill. Interestingly, George is friends with Brad Pitt, who famously left Jennifer to marry Angelina Jolie after their five-year marriage. Additionally, both Jennifer and George appeared as themselves in the 1998 film Waiting For Woody, which was directed by George’s frequent collaborator Grant Heslov. Although Brad and George have starred in several movies together, including the Ocean’s trilogy, Brad was not seen at the AFI tribute to his former castmate on Thursday evening.

Cheers: Miley and Bill were glimpsed enjoying clear iced beverages with lemon in them, beside a table where a bottle of Belvedere vodka was sitting

Miley and Bill were spotted sipping on refreshing lemon-infused clear drinks, while relaxing near a table where a bottle of Belvedere vodka was placed. Cheers to that!

Quartet: They were also photographed hobnobbing with a pair of TV icons - Jennifer Aniston and Courteney Cox, stars of the 1990s sitcom colossus Friends

The four individuals were captured in a photo socializing with two well-known television celebrities, Jennifer Aniston and Courteney Cox, who were part of the immensely popular 90s sitcom, Friends.

Notable: Brad Pitt, who starred with George in a string of movie including the Ocean's trilogy, was not photographed at the AFI tribute to his old castmate Thursday evening

Brad Pitt, who acted alongside George in the Ocean’s trilogy movies, was not present at the AFI tribute event honoring his former co-star on Thursday evening. Wes Anderson’s Fantastic Mr. Fox is a remarkable animation movie adaptation of Roald Dahl’s children’s book that was released in 2009. The Monuments Men, which George co-wrote and directed, is a 2014 World War II drama film inspired by a nonfiction book of the same name. The book detailed an Allied mission to recover significant artifacts from Europe’s Nazi hands. Bill Murray co-wrote A Very Murray Christmas, a 2015 movie musical directed by the Oscar-winning screenwriter Sofia Coppola, daughter of Francis Ford Coppola. I Am A Man Of Constant Sorrow is a classic American folk song dating back to 1913 and initially published by a blind travelling fiddler Dick Burnett. Over time, several musicians such as The Stanley Brothers, Bob Dylan, and Joan Baez have recorded various versions of the song.

History: I Am A Man Of Constant Sorrow, an American folk song first published by blind travelling fiddler Dick Burnett in 1913, has been recorded in various forms

The enduring American folk song, “I Am A Man Of Constant Sorrow,” was originally published by a blind travelling fiddler named Dick Burnett way back in 1913. Over the years, this tune has been recorded in many different versions.

And now Miley: It has been performed by a host of names including, but not limited to, The Stanley Brothers, Bob Dylan and Joan Baez

Let’s talk about Miley Cyrus and her music. “It” is a song that has been covered by many artists, not just limited to The Stanley Brothers, Bob Dylan, and Joan Baez.

Premise: In O Brother, Where Art Thou?, George's character and two fellow escaped convicts record the song as a group called The Soggy Bottom Boys, and it becomes a smash

In the movie “O Brother, Where Art Thou?”, George’s character teams up with two other prison escapees to form a musical group known as The Soggy Bottom Boys. Their recording of a song becomes incredibly popular and successful.

In the movie O Brother, Where Art Thou?, George’s character and two other inmates record a song together under the name The Soggy Bottom Boys. The song becomes a huge hit, but contrary to popular belief, George and his co-stars John Turturro and Tim Blake Nelson did not actually sing on the track. Instead, the vocals were performed by a group consisting of Dan Tyminski, Harley Allen, and Pat Enwright. Their powerful version of the song, which is over a hundred years old, was even recognized with a Grammy Award for Best Country Collaboration With Vocals. Meanwhile, Miley Cyrus, who is engaged to Liam Hemsworth, has yet to win a Grammy herself, despite being nominated for her 2013 album Bangerz in the Best Pop Vocal Album category.

Bluegrass: At the June 7 taping, the Hannah Montana alum did a cover of Man Of Constant Sorrow from the Coen Brothers' memorable movie, O Brother Where Art Thou

Behind the scenes scoop: George, John Turturro and Tim Blake Nelson didn’t actually do the singing in the scene. Instead, the voices were provided by Dan Tyminski, Harley Allen and Pat Enwright.

Credit where due: Dan, Harley and Pat's stirring rendition of the now century-old song went on to win the Grammy Award for Best Country Collaboration With Vocals

Kudos to Dan, Harley, and Pat for their impressive performance of the timeless tune that has been around for a century now. Their rendition was so remarkable that it earned them the prestigious Grammy Award for Best Country Collaboration With Vocals.