Pop singer Selena Gomez made a memorable casino cameo in The Big Short, a best picture-nominated flick about the 2008 financial crisis. She's one of several celebrities who talk directly to the camera while explaining esoteric facets of the housing market in layman's terms.
Donald Glover in The Martian (2015)
Childish Gambino on the mic but Donald Glover onscreen, the rapper/actor plays a charmingly nerdy scientist who aims to bring Matt Damon back to earth in The Martian, which was nominated for 7 Oscars, including best picture.
Zoë Kravitz in Mad Max: Fury Road (2015)
The singer/actress (and yes, daughter of Lenny Kravitz) plays one of the wives on the run from her brutal husband, the film's primary antagonist. The fourth film in this series, Mad Max: Fury Road was nominated for best picture and best director.
Madonna in Evita (1996)
Madonna won a Golden Globe for playing the titular role in Evita, but was snubbed when the Oscars announced the best actress noms for that year. Still, Evita earned five Oscars noms, winning best original song for the Tim Rice/Andrew Lloyd Webber composition "You Must Love Me."
Tim McGraw in The Blind Side (2009)
Country superstar Tim McGraw played the wealthy husband of Sandra Bullock's character in this based-on-a-true-story football drama. Bullock, as you probably recall, won best actress for her role in this best picture-nominated film.
Darlene Love in 20 Feet From Stardom (2013)
Darlene Love, who provided uncredited lead vocals to many of Phil Spector's biggest hits, is one of the stars of this documentary about backup singers taking the spotlight. When it won the best documentary feature Oscar, Love took the stage and sang a few bars from the gospel song "His Eye Is On the Sparrow" at the awards show.
Ludacris in Crash (2004)
Ludacris plays a carjacker with an active conscience in the multi-plot drama Crash, which took the Oscar for best picture.
Diana Ross in Lady Sings the Blues (1972)
Not long after leaving the Supremes and starting her solo career, Ross portrayed the legendary Billie Holiday in this biopic. While the movie received mixed reviews, Ross was nominated for best actress.
Bing Crosby in Going My Way (1944)
Immensely popular crooner Bing Crosby won a best actor award Oscar for his portrayal of an unconventional priest in this 1944 musical comedy-drama. Crosby reprised the role a year later in The Bells of St. Mary's.
Dwight Yoakam in Sling Blade (1996)
The '80s country superstar played an abusive boyfriend in this drama written and directed by Billy Bob Thornton, who received a best screenplay nod.
Frank Sinatra in From Here to Eternity (1953)
No, he's not the guy in the famous beach makeout session (that would be Burt Lancaster), but Ol' Blue Eyes did win a best supporting actor Oscar for portraying an army private stationed in Hawaii during the days leading up to Pearl Harbor. The film won eight Oscars overall, including best picture.
Jennifer Hudson in Dreamgirls (2006)
The American Idol album won a best supporting actress Oscar for her role in the big screen adaptation of the Broadway musical. Her character was loosely based on Supremes singer Florence Ballard.
Beyonce in Dreamgirls (2006)
Beyonce also starred in Dreamgirls, playing a character loosely based on Diana Ross. The film received eight Oscar noms overall, winning two.
Eminem in 8 Mile (2002)
While Eminem earned rave reviews for his starring role in the autobiographical 8 Mile, he didn't get an Oscar nom for acting. He did, however, get a statue for "Lose Yourself," which won best original song.
Al Jolson in The Jazz Singer (1927)
The early 20th century crooner portrayed a character caught between his conservative Jewish past and his pop music ambitions. Despite a cringe-worthy minstrel number in blackface, the film remains an important part of history as the first talking movie. It won a special Academy Award and was nominated in two regular categories.
Willie Nelson and Kris Kristofferson in Songwriter (1984)
Kris Kristofferson starred alongside Willie Nelson in the tepidly received film Songwriter. Musically, however, the film got better notices, including an Oscar nod for best original song score. It lost to Prince's Purple Rain.
The Beatles in Let It Be (1970)
Did you know the Beatles won an Oscar? Well, they did. The 1970 documentary Let It Be, a film about the making of the album of the same name, earned them the Academy Award for best original song score. Quincy Jones accepted on their behalf. Not familiar with the best original song score Oscar? That's because it hasn't been given out since Prince won it for Purple Rain. Not familiar with the Beatles documentary Let It Be? That's because it never made it to DVD, for reasons that remain mysterious.
Keith Richards in Pirates of the Caribbean: At World's End (2007)
While the third movie in the Pirates franchise got skewered by critics, it did earn two Oscar noms for makeup and visual effects. The highlight of the lengthy, dull film was easily Keith Richards playing Johnny Depp's pirate dad.
Bjork in Dancer in the Dark (2000)
Playing a factory worker slowly succumbing to blindness, Bjork earned rave reviews in her biggest acting gig to date. Bjork's Thom Yorke duet "I've Seen It All" was nominated for best original song.
Courtney Love in The People vs. Larry Flynt (1996)
Courtney Love earned critical accolades for her portrayal of Larry Flynt's fourth wife (and Hustler co-publisher) Althea Flynt. The film was nominated for best director (Milos Forman) and best actor (Woody Harrelson).
Gwen Stefani in The Aviator (2004)
Martin Scorsese's biopic of movie/aviation mogul Howard Hughes featured Gwen Stefani in a brief role as Hollywood legend Jean Harlow. The movie received 11 Oscar nominations and won five awards, including best cinematography and best costume design.
Michael Jackson in The Wiz (1978)
A 19-year-old Michael Jackson played the Scarecrow to Diana Ross' Dorothy in this bizarre reimagining of The Wizard of Oz, which received four Oscar noms.
Roger Daltrey and Elton John in Tommy (1975)
The Who's lead singer played blind pinball wizard Tommy in the movie version of the band's rock opera. That's Elton John with the sky-high legs in the background (not pictured: Tina Turner, who makes an show-stealing cameo as the Acid Queen). Ann-Margaret received an Academy Award best actress nomination for her role as Tommy's mother.
Duke Ellington in Anatomy of a Murder (1959)
The jazz genius tickled the ivories alongside Jimmy Stewart in an uncredited cameo in the courtroom drama Anatomy of a Murder, which received seven Academy Award nominations.
Nat King Cole in Cat Ballou (1965)
Silky-voiced crooner Nat King Cole plays a wandering balladeer who narrates this Jane Fonda-starring musical-comedy-Western. Cat Ballou was nominated for five Oscars, with Lee Marvin winning best actor for his portrayal of two separate characters.
Queen Latifah in Chicago (2002)
"If you're good to Mama, she'll be good to you!" Queen Latifah appeared as a likable but corrupt prison matron in Chicago, for which she received a best supporting actress nod. While she lost, Chicago won best picture and five more Oscars.
Peggy Lee in Pete Kelly's Blues (1955)
Jazz singer-songwriter Peggy Lee portrayed an alcoholic singer in this 1955 drama based on a radio series. She received a best supporting actress Oscar nod for her efforts.
Dolly Parton in 9 to 5 (1980)
In addition to starring in 9 to 5 alongside Lily Tomlin and Jane Fonda, Dolly Parton wrote the film's titular workplace anthem. The No. 1 Billboard Hot 100 hit earned her a best original song nomination. Parton would be nominated in that same category 25 years later for her contribution to Transamerica, "Travelin' Thru."
Prince in Purple Rain (1984)
Prince played Prince in the autobiographical musical drama Purple Rain, and won a best original song score Oscar for the classic music in the film. While that Oscar category isn't officially discontinued, it hasn't been given out since.
Bette Midler in The Rose (1979)
In addition to singing the hell out of the titular song in this dramatic weeper, Midler was nominated for best actress for her first leading role in a film.
Jared Leto in Dallas Buyers Club (2013)
The Thirty Seconds to Mars frontman won best supporting actor for his portrayal of the transgender Rayon in Dallas Buyers Club.
Tom Waits in The Imaginarium of Doctor Parnassus (2009)
The growly rock outsider portrayed a character that was more or less the Devil in this Terry Gilliam-directed fantasy film. Parnassus was nominated for two Oscars: best costume design and best art direction.
Jason Schwartzman in The Grand Budapest Hotel (2014)
While Schwartzman intended to make music his primary career, the former Phantom Planet drummer got sidetracked by acting thanks to Wes Anderson -- and we're all the better for it. Most recently, he appeared in Anderson's The Grand Budapest Hotel, nominated for best picture at the 2015 Oscars.