Robert Downey Jr. Joins Rachel McAdams & Tilda Swinton at 'Doctor Strange' Premiere in LA!

Rachel McAdams turns heads as she arrives on the red carpet at the premiere of her new film Doctor Strange on Thursday night (October 20) in Los Angeles.

The 37-year-old actress was joined at the premiere by her co-star Tilda Swinton and fellow Marvel superhero Robert Downey Jr.

PHOTOS: Check out the latest pics of Rachel McAdams

Earlier at the premiere, Doctor Strange star Benedict Cumberbatch announced that he and wife Sophie Hunter are expecting their second child together!

Doctor Strange is set to hit theaters Friday (October 21).

FYI: Rachel is wearing an Atelier Versace dress, Tilda is wearing a Haider Ackermann dress, and Robert is wearing a Givenchy suit.

20+ pictures inside of stars arriving at the Doctor Strange premiere…