Nikki Reed and husband Ian Somerhalder made a rare public appearance at a pre-Oscars 2019 party on Thursday, joining a slew of other celebs who are gathering to celebrate the end of award season ahead of the Academy Awards.

The notoriously private married couple attended Cadillac's Oscars weekend cocktail bash at Chateau Marmont in West Hollywood. Other guests included John Stamosand wife Caitlyn McHughAllison Janney, Zoe Saldana and sister Cisley SaldanaTiffany Haddish, Hilary SwankLiev SchreiberChristoph WaltzColton HaynesAisha TylerZachary Quinto and Jesse Tyler Ferguson.

Reed and Somerhalder were spotted together by some heat lamps, chatting with some men about ecological ideas. The actors are known environmentalists. Somerhalder was also seen talking to Schreiber.

Stamos and his wife arrived together and immediately posed for photos, then were spotted chatting with Ferguson and Haddish.

Allison Janney arrived in a red Galvan jumpsuit, took photos inside as she entered, and then was escorted to a table outside. She was served Belvedere Vodka sodas and looked like she was having a great time. The actress was overheard talking about how Oscar-nominated film Roma was "visually the most beautiful thing" she'd seen in a long time and raved about her "best friend" Melissa McCarthy's performance in Can You Ever Forgive Me? Janney also chatted with Swank and the two gushed over photos on the latter's phone.

Haynes arrived alone and was seen chatting with several men at the bash.

Meanwhile, Zendaya co-hosted the Vanity Fair and Lancôme Toast Women in Hollywood event, along with Ava Duvernay and editor-in-chief Radhika Jones.

See photos from pre-Oscars 2019 parties below.

Tracee Ellis Ross

Joe Scarnici/Getty Images for Mercedes-Benz USA

Michael Keaton, Pre-Oscars 2019 Party

Lexie Moreland/WWD/Shutterstock

Frances McDormand, Pre-Oscars 2019 Party

Lexie Moreland/WWD/Shutterstock

Judd Apatow, Leslie Mann, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Liv Lo, Henry Golding, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Robin Wright, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Lupita Nyongo, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Lucy Boynton, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Margot Robbie, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Minnie Driver, Addison O'Day, Pre-Oscars 2019 Party

Dia Dipasupil/WireImage

Shailene Woodley, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Carey Mulligan, Pre-Oscars 2019 Party

Dia Dipasupil/WireImage

Liam Hemsworth, Miley Cyrus, Chanel, Pre-Oscar Awards Dinner

Dia Dipasupil/WireImage

Kristen Stewart, Pre-Oscars 2019 Party

Dia Dipasupil/WireImage

Tessa Thompson, Pre-Oscars 2019 Party

Rochelle Brodin/Patrick McMullan via Getty Images

Glenn Close

Michael Simon, Startraksphoto.com

Spike Lee

Kirsten Moore

Common, Mahershala Ali

Arnold Turner/Getty Images for Freedom Road Productions

Tracee Ellis Ross, Evan Ross

Arnold Turner/Getty Images for Freedom Road Productions

Emily Deschanel

Michael Simon, Startraksphoto.com

Liam Hemsworth, Pre-Oscar Party

Broadimage/Shutterstock

Rami Malek, Lucy Boynton, Pre-Oscars 2019 Party

Charley Gallay/Getty Images for Vanity Fair

Rami Malek, Adam Lambert, Pre-Oscars 2019 Party

Charley Gallay/Getty Images for Vanity Fair

Glenn Close, Pre-Oscars 2019 Party

Presley Ann/Getty Images for Women In Film

Madelaine Petsch, Pre-Oscars 2019 Party

Presley Ann/Getty Images for Women In Film

Regina King, Pre-Oscars 2019 Party

Presley Ann/Getty Images for Women In Film

Tracee Ellis Ross, Evan Ross, Pre-Oscars 2019 Party

Benjamin Shmikler/ABImages

Melissa McCarthy, Ben Falcone, Pre-Oscars 2019 Party

Hanna Yamamoto/ABImages

Nikki Reed, Ian Somerhalder, Pre-Oscars 2019 Party

Joe Scarnici/Getty Images for Cadillac

Tiffany Haddish, Pre-Oscars 2019 Party

Tommaso Boddi/Getty Images for Cadillac)

Allison Janney, Hilary Swank, Pre-Oscars 2019 Party

Tommaso Boddi/Getty Images for Cadillac)

Zoe Saldana, Cisley Saldana, Sister, Pre-Oscars 2019 Party

Joe Scarnici/Getty Images for Cadillac

Colton Haynes, Pre-Oscars 2019 Party

Joe Scarnici/Getty Images for Cadillac

Colton Haynes, Pre-Oscars 2019 Party

Joe Scarnici/Getty Images for Cadillac

Zendaya, Pre-Oscars 2019 Party

Michael Kovac/Getty Images for Vanity Fair

Lupita Nyong'o, Pre-Oscars 2019 Party

Michael Kovac/Getty Images for Vanity Fair

Olivia Munn, Pre-Oscars 2019 Party

Rachel Murray/Getty Images for Vanity Fair

Nina Dobrev, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Susan Kelechi Watson, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Rachel Bloom, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Bailee Madison, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Gemma Chan, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Sofia Carson, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Becca Tilley, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Francia Raisa, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Troian Bellisario, Patrick J. Adams, Ashley Benson, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Danielle Macdonald, Tess Holiday, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Yalitza Aparicio, Vanity Fair and LOréal Paris Pre-Oscars Party

Getty Images for Vanity Fair

Photos

See More From Pre-Oscars Parties 2019

The 2019 Oscars will air live from the Dolby Theatre in Hollywood on ABC this Sunday at 8 p.m. ET / 5 p.m. PT.

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