Celebrities not attending the Oscars gathered at Elton John's annual party benefiting his AIDS Foundation on Sunday in LA. The night was all about duos, with Kim and Khloé Kardashian dazzling in red, while their sister Kourtney and their mom, Kris Jenner, wore black; Britney Spears  and her boyfriend, David Lucado, showing off PDA on their way in; Neil Patrick Harris  and his fiancé, David Burtka, cozying up on the red carpet; Anna Paquin  and Stephen Moyer  looking gorgeous; and much more. Taylor Swift  and Lady Gaga  also made appearances at the bash, with Taylor mingling with Jaime King and Gaga joking around with her former enemy, Kelly Osbourne. Elton greeted his famous friends in a dapper pinstripe suit, getting ready to kick off the exciting bash and watch the Academy Awards in style.
Keep reading to see who else is partying with Elton, and be sure vote for your favorite fashion and beauty looks from the Oscars , too.
Taylor Swift  and Jaime King met up inside.
Kris, Khloé, Kourtney, and Kim posed together.
Lady Gaga  left her feud with Kelly Osbourne behind for Elton's party.
Ed Sheeran posed with Sarah Hyland and Matt Prokop.
Britney Spears  and her boyfriend, David Lucado, showed off PDA.
Lady Gaga  sat with Donatella Versace .
Neil Patrick Harris  and his fiancé, David Burtka, looked adorable.
Heidi Kum kissed Mel B.
Elton John and his partner, David Furnish, posed with Ed Sheeran.
Joe Jonas  was the only one of his brothers at the party.
Gaga and Sheryl Crow  smooched Elton.
Kim and Khloé Kardashian both wore red.
True Detective star Alexandra Daddario looked glam in black.
Chris Colfer went for a classic look.
Robert De Niro  and his wife, Grace Hightower, smiled.
Britney Spears  smiled at the soirée.
Sharon Osbourne wore a floor-length gown to the bash.
Elton kissed Ed's hand inside the bash.
Heidi Klum  looked gorgeous at the party.
Ed wore red sneakers.
Chace Crawford  suited up with a bow tie.
JC Chasez rocked a sleek black suit.
Kelly pretended to choke Gaga.
Kim wore red.
True Blood's Ryan Kwanten looked dapper in white.
Teen Wolf star Colton Haynes  wore blue to the party.
Steven Tyler wore a colorful ensemble.
Anna Paquin  and Stephen Moyer  cozied up.
Kim and Kourtney mingled with Elton.
Elton hugged Taylor.