Charlize Theron, Kevin Hart, Kelly Clarkson and more stars hit up CinemaCon 2019

Hollywood migrated to Vegas for the official convention of the National Association of Theatre Owners (NATO) at Caesars Palace, where stars lined up to promote their latest films.

The four day event gathers industry insiders to debut upcoming films alongside producers, directors and A-list actors. Charlize Theron and Seth Rogen attended to discuss their highly-anticipated rom com, "Long Shot." Tiffany Haddish and Kevin Hart united on stage holding the most adorable pets to present a clip of their latest project "Secret Life Of Pets 2."

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Stars attend 2019 CinemaCon
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Stars attend 2019 CinemaCon
CinemaCon Vanguard Award recipient actress Jamie Lee Curtis arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Comedy Stars of the Year Award for 'Long Shot' co-recipient actress Charlize Theron arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Spotlight Award recipient actress Octavia Spencer arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Breakthrough Director of the Year Award recipient actress/director Olivia Wilde arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon International Star of the Year Award recipient actor Kevin Hart arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Icon Award recipient actor Steve Buscemi arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Female Stars of Tomorrow Award co-recipient actress Beanie Feldstein arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
Director Paul Feig arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Directors of the Year Award for 'Avengers: End Game' Anthony Russo (R) and Joe Russo (L) arrive for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Comedy Stars of the Year Award for 'Long Shot' co-recipients actress Charlize Theron and actor Seth Rogen arrive for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
LAS VEGAS, NV - APRIL 03: (L-R) Marsai Martin, Issa Rae, Seth Rogen and Regina Hall at CinemaCon 2019 Universal Pictures Invites You to a Special Presentation Featuring Footage from its Upcoming Slate at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 3, 2019 in Las Vegas, Nevada. (Photo by Alberto E. Rodriguez/Getty Images for CinemaCon)
LAS VEGAS, NEVADA - APRIL 04: Actress Halle Berry speaks during Lionsgate presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
CinemaCon Action Star of the Year Award recipient actor David Harbour arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
LAS VEGAS, NEVADA - APRIL 04: Actresses Ana de Armas (L) and Jamie Lee Curtis speak during Lionsgate presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 04: Actress Eva Longoria speaks during Paramount Pictures exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 04: (L-R) Actress Eva Longoria, actors Eugenio Derbez, Michael Pena and actress Isabela Moner speak during Paramount Pictures exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 04: Actor James Marsden (L) and actress Tika Sumpter speak during Paramount Pictures exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 04: Actor Jim Carrey speaks during Paramount Pictures exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 04: Professional wrestler and actor John Cena speaks during Paramount Pictures exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NV - APRIL 03: Tiffany Haddish speaks onstage at CinemaCon 2019 Universal Pictures Invites You to a Special Presentation Featuring Footage from its Upcoming Slate at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 3, 2019 in Las Vegas, Nevada. (Photo by Matt Winkelmeyer/Getty Images for CinemaCon)
LAS VEGAS, NEVADA - APRIL 03: Actress and singer Jennifer Hudson performs during Universal Pictures special presentation during CinemaCon at The Colosseum at Caesars Palace on April 03, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NV - APRIL 02: Kelly Clarkson performs onstage at CinemaCon 2019 The State of the Industry and STXfilms Presentation at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 2, 2019 in Las Vegas, Nevada. (Photo by Matt Winkelmeyer/Getty Images for CinemaCon)
LAS VEGAS, NEVADA - APRIL 02: Actresses Tiffany Haddish (L) and Melissa McCarthy attend Warner Bros. Pictures 'The Big Picture' exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 02, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 02: Actress Tiffany Haddish attends Warner Bros. Pictures 'The Big Picture' exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 02, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NV - APRIL 03: (L-R) Emma Thompson and Mindy Kaling attend CinemaCon 2019- Amazon Studios Invites You to an Exclusive Screening of Late Night at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 3, 2019 in Las Vegas, Nevada. (Photo by Alberto E. Rodriguez/Getty Images for CinemaCon)
LAS VEGAS, NEVADA - APRIL 02: Actress Jessica Chastain attends Warner Bros. Pictures 'The Big Picture' exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 02, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NV - APRIL 02: (L-R) Todd Phillips and Bill Hader pose backstage at CinemaCon 2019 Warner Bros. Pictures Invites You to The Big Picture, an Exclusive Presentation of its Upcoming Slate at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 2, 2019 in Las Vegas, Nevada. (Photo by Alberto E. Rodriguez/Getty Images for CinemaCon)
LAS VEGAS, NEVADA - APRIL 04: Producer/actor Seth Rogen (L) and actress Charlize Theron attend Lionsgate presentation during CinemaCon at The Colosseum at Caesars Palace on April 04, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
CinemaCon Ensemble Award co-recipient for Terminator: Dark Fate actress Linda Hamilton arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Ensemble Award co-recipient for Terminator: Dark Fate actress Mackenzie Davis arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Male Star of Tomorrow Award recipient actor Henry Golding arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Female Stars of Tomorrow Award co-recipient actress Kaitlyn Dever arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
CinemaCon Ensemble Award co-recipient for Terminator: Dark Fate actress Natalia Reyes arrives for the 2019 Big Screen Achievement Awards at the Omia nightclub at Caesars Palace in Las Vegas on April 4, 2019. (Photo by VALERIE MACON / AFP) (Photo credit should read VALERIE MACON/AFP/Getty Images)
LAS VEGAS, NEVADA - APRIL 02: Actor Ansel Elgort attends Warner Bros. Pictures 'The Big Picture' exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 02, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 02: Actress Dame Helen Mirren attends Warner Bros. Pictures 'The Big Picture' exclusive presentation during CinemaCon at The Colosseum at Caesars Palace on April 02, 2019 in Las Vegas, Nevada. CinemaCon is the official convention of the National Association of Theatre Owners. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 02: Actor Chadwick Boseman attends 'The State of the Industry: Past, Present and Future' STXfilms presentation at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners on April 02, 2019 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NEVADA - APRIL 02: Actress Katie Holmes attends 'The State of the Industry: Past, Present and Future' STXfilms presentation at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners on April 02, 2019 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/WireImage)
LAS VEGAS, NV - APRIL 02: (L-R) Diane Keaton and Katie Holmes pose backstage at CinemaCon 2019 The State of the Industry and STXfilms Presentation at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, on April 2, 2019 in Las Vegas, Nevada. (Photo by Alberto E. Rodriguez/Getty Images for CinemaCon)
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Kelly Clarkson and Jennifer Hudson were among the top tier performances of the convention. Clarkson hit the stage to sing her latest single from the "Ugly Dolls" soundtrack called 'Broken and Beautiful" while J.Hud sang "Memory" during the "Cats" movie presentation.

Other stars who attended to promote their upcoming films include Halle Berry, Katie Holmes, Diane Keaton and Olivia Wilde. Check out all of the A-list sightings in the gallery above.

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