A few minutes after , the birthday boy himself arrived with wife Susan.
Seven-and-a-half months after Us Weekly first broke the news of their romance, Gwyneth Paltrow and Brad Falchuk made their big debut as a couple at Robert Downey Jr.'s star-studded 50th birthday party on Saturday, April 4.PHOTOS: Gwyneth through the years The film.) PHOTOS: The Avengers -- behind the scenes!The 'Iron Man 3' stars cosied up to one another during an exclusive photo shoot at the Four Seasons Hotel in Los Angeles, and it's clear to see that they're close.As they relax on a brown sofa wearing matching monochrome outfits, Paltrow is seen resting her head on Downey's shoulder while he grins for the camera.The couple arrived at Santa Monica Airport's Barker Hangar just a few minutes before the guest of honor, a source tells Us Weekly.
As they walked into the venue — where different rooms had been set up to represent various periods of Downey Jr.'s life — Falchuk put his hand on Paltrow's lower back, guiding her through the crowd. Celebs flocked in droves to celebrate the Among the revelers were Orlando Bloom, Jason Bateman, Dustin Hoffman, Justin Theroux and Jennifer Aniston, Tobey Maguire and Jen Meyer, Edward Norton, Reese Witherspoon, Jack Osbourne, Katie Holmes, and Gwen Stefani and Gavin Rossdale. Jackson and Jeremy Renner were also on the guest list.
Downey and Paltrow, who is currently dating producer Brad Falchuk, played a couple in the first three Iron Man movies.
Paltrow doesn't appear in the newest Marvel Universe flick, Captain America: Civil War, but that doesn't mean Pepper is gone for good."She's coming back," Downey said.
The 42-year-old actress and the 44-year-old television producer were seen arm-in-arm while leaving her pal Robert Downey Jr‘s 50th birthday party this weekend in Santa Monica, Calif.
While the two stars have been linked since August, this is the first time that they have actually been spotted together.
The party wound down around midnight, but Paltrow and Falchuk snuck out early, a source tells Us.