Brad Pitt makes surprise appearance at star-studded pre-Oscars party

Brad Pitt was out and about on Thursday night.

The 54-year-old actor attended the Gersh Oscar Party at Chateau Marmont in Los Angeles, California, and was joined by his manager, Cynthia Pett-Dante.

Pitt seemed in good spirits as he posed for a photo wearing an all-black winter ensemble that included a trendy hat. He's also sporting a bit of salt-and-pepper stubble these days.

Cynthia Pett-Dante Brad Pitt
Getty Images

Also at the party were I, Tonya co-stars Margot Robbie and Allison Janney as well as Three Billboards Outside Ebbing, Missouri actor Sam Rockwell and The Shape of Water's Richard Jenkins. In addition to these Oscar nominees, Angela Bassett, Tiffany Haddish, Elizabeth Olsen, Kathryn Hahn, Rockwell's longtime girlfriend, Leslie Bibb, and Stranger Things star Joe Keery were in attendance. 

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Inside the 2018 Oscars pre-parties
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Inside the 2018 Oscars pre-parties
BEVERLY HILLS, CA - MARCH 02: Emma Stone attends the 11th Annual Celebration Of The 2018 Female Oscar Nominees Presented By Women In Film at Crustacean on March 2, 2018 in Beverly Hills, California. (Photo by Jon Kopaloff/FilmMagic)
Viola Davis celebrated the release of Jane Walker, the female iteration of the classic Johnnie walker at the 11th Annual Celebration Of The 2018 Female Oscar Nominees Presented By Women In Film.
'I, Tonya' Oscar nominees Allison Janney and Margot Robbie were just two gals having the best time at the Gersh Oscar Party at Chateau Marmont, where cocktails from Tequila Don Julio 1942 were flowing.
Sarah Silverman cozied up to Dan Stevens -- who wouldn't?! -- at the Cadillac Oscar Week Celebration at Chateau Marmont.
Angela Bassett and Tiffany Haddish looked lovely as ever at the 2018 Gersh Oscar party presented by Tequila Don Julio 1942 at Chateau Marmont.

Brad Pitt made a surprise appearance at the Gersh Oscar Party at Chateau Marmont.

(Photo by Rich Fury/Getty Images)

Chelsea Handler and Emmy Rossum at EMILY's List Pre-Oscars Brunch and Panel.

Michael B. Jordan rocked a Piaget watch as he attended Piaget Celebrates Independent Film with The Art of Elysium at Chateau Marmont.

(Photo by Dimitrios Kambouris/Getty Images for Piaget)

AnnaLynne McCord wearing Michael Costello at the NORDSTROM LOCAL Inaugural Viewing Party, which took place at their recently opened Melrose Place location.
Jane Seymour is ravishing in red at the 15th Annual Global Green Pre-Oscar Gala.
Janelle Monae, Danai Gurira, and Tiffany Haddish onstage during the 2018 Essence Black Women In Hollywood Oscars Luncheon at Regent Beverly Wilshire Hotel. Love all of their looks!
LaLa Anthony at the Essence 11th Annual Black Women In Hollywood Awards Gala at the Beverly Wilshire Four Seasons Hotel.
Angela Bassett and Lena Waithe at the 2018 Essence Black Women In Hollywood Oscars Luncheon at Regent Beverly Wilshire Hotel.
Gabourey Sidibe rocking bold blue at the Essence 11th Annual Black Women In Hollywood Awards Gala at the Beverly Wilshire Four Seasons Hotel.

Rashida Jones and Connie Britton at Vanity Fair and Lancome Paris Toast Women in Hollywood, where guests sipped Belvedere Vodka cocktails.

(Photo by Matt Winkelmeyer/Getty Images for Vanity Fair)

Alessandra Ambrosio looking predictably stunning at Vanity Fair and Lancome Paris Toast Women in Hollywood.

(Photo by Michael Kovac/Getty Images for Belvedere Vodka)

Quite an outfit! Style risk-takers Zendaya and Tracee Ellis Ross hung out at Vanity Fair and Lancome Paris Toast Women.

(Photo by Michael Kovac/Getty Images for Belvedere Vodka)

Bulleit Bourbon honored Chadwick Boseman with a customized engraved bottle for his contributions to the modern cultural frontier at the 2018 Film Independent Spirit Awards.
Actress Jaime King was among the celebrities in attendance at the Colgate® Optic White® Beauty Lab on March 3, 2018 in Los Angeles, California.
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This marks Pitt's first public appearance since his ex-wife, Jennifer Aniston, announced her split from husband Justin Theroux after two years of marriage. 

After it was revealed that they were both single, fans immediately started to speculate as to whether Aniston and Pitt could rekindle their romance. 

While a source tells ET, "you can't predict the future," the source also says that the exes are "absolutely not together," despite the social media frenzy.

“They have each other’s cell phone numbers and communicate from time to time. [However], this is nothing new. Jen and him [Brad] have remained friendly," says the source, noting that Pitt and Aniston have stayed in touch since their split in 2005.

That being said, a source did tell ET in January that Pitt has gone on several "casual dates" since his split from wife Angelina Jolie in September 2016, but "none of them have evolved into anything serious."

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