Taylor Swift's brother Austin looks dapper on 'Live by Night' red carpet


Taylor Swift's brother, Austin Swift, couldn't be any cuter!

The 24-year-old actor had fans swooning as he walked the red carpet for the premiere of Live by Night on Monday at Hollywood's TCL Chinese Theater.

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Swift, who has a small role in the film, took to social media after hitting the red carpet to commemorate the big night.

"It was so inspiring getting to work with this awesome team and just surreal to be at this premiere," he captioned a post on Instagram, along with the film's poster.

The crime drama, which stars Elle Fanning, Zoe Saldana, Brendan Gleeson and Ben Affleck, who also wrote and directed the film, hits theaters on Friday.

ET caught up with Affleck on Monday, where he opened up about the joy and pride he felt in watching his younger brother, Casey Affleck, win his first Golden Globe on Sunday night.

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"The overwhelming sense I had last night, watching my brother win, and believing in him for so long and knowing how talented he is... it was the most memorable experience in my life," the 44-year-old star shared. "I'm thrilled. I wish him the best, but already what he's done is amazing."

For more on the famous brother duo, watch the clip above.

RELATED: See Taylor Swift's best looks in 2016:
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Taylor Swift's best 2016 looks
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Taylor Swift's best 2016 looks
LOS ANGELES, CA - FEBRUARY 15: Recording artist Taylor Swift performs onstage during The 58th GRAMMY Awards at Staples Center on February 15, 2016 in Los Angeles, California. (Photo by Kevin Winter/WireImage)
BEVERLY HILLS, CA - FEBRUARY 28: Recording artist Taylor Swift attends the 2016 Vanity Fair Oscar Party hosted By Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 28, 2016 in Beverly Hills, California. (Photo by Jon Kopaloff/FilmMagic)
INGLEWOOD, CALIFORNIA - APRIL 03: Recording artist Taylor Swift attends the iHeartRadio Music Awards at The Forum on April 3, 2016 in Inglewood, California. (Photo by Steve Granitz/WireImage)
NEW YORK, NY - MAY 02: Taylor Swift attends the 'Manus x Machina: Fashion In An Age Of Technology' Costume Institute Gala at Metropolitan Museum of Art on May 2, 2016 in New York City. (Photo by John Shearer/Getty Images)
BEVERLY HILLS, CA - MAY 10: Taylor Swift arrives at the 64th Annual BMI Pop Awards at the Beverly Wilshire Four Seasons Hotel on May 10, 2016 in Beverly Hills, California. (Photo by Steve Granitz/WireImage)
NEW YORK, NY - AUGUST 31: Singer Taylor Swift is seen on August 31, 2016 in New York City. (Photo by XPX/Star Max/GC Images)
NEW YORK, NY - SEPTEMBER 07: Taylor Swift seen on the streets of Manhattan on September 7, 2016 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - SEPTEMBER 09: Taylor Swift leaves Tamarind restaurant on September 9, 2016 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - SEPTEMBER 16: Taylor Swift is seen in Tribeca on September 16, 2016 in New York City. (Photo by Alo Ceballos/GC Images)
NEW YORK, NY - SEPTEMBER 27: Taylor Swift is seen in the West Village on September 27, 2016 in New York City. (Photo by Alo Ceballos/GC Images)
NEW YORK, NY - SEPTEMBER 28: Taylor Swift is seen on September 28, 2016 in New York City. (Photo by Gardiner Anderson/Bauer-Griffin/GC Images)
NEW YORK, NY - OCTOBER 12: Taylor Swift seen on October 12, 2016 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - OCTOBER 12: Taylor Swift is seen outside 'Lovers Of Today on October 12, 2016 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - OCTOBER 13: Singer Taylor Swift is seen in Soho on October 13, 2016 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - NOVEMBER 07: Taylor Swift leaves Lourde's birthday party at ZZÃs Clam Bar on November 7, 2016 in New York City. (Photo by James Devaney/GC Images)
NASHVILLE, TN - NOVEMBER 02: Taylor Swift presents award onstage at the 50th annual CMA Awards at the Bridgestone Arena on November 2, 2016 in Nashville, Tennessee. (Photo by Erika Goldring/FilmMagic)
NEW YORK, NY - AUGUST 08: Singer Taylor Swift is seen walking in Soho on August 8, 2016 in New York City. (Photo by Raymond Hall/GC Images)
LOS ANGELES, CA - JULY 06: Taylor Swift and Tom Hiddleston are seen at LAX on July 06, 2016 in Los Angeles, California. (Photo by starzfly/Bauer-Griffin/GC Images)
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