Rachel McAdams & Dylan O'Brien Attend 'Send Help' World Premiere in Hollywood!

Rachel McAdams and Dylan O’Brien are stepping out for the world premiere of their new horror-thriller film!

The co-stars posed for photos together on the red carpet at the premiere of Send Help on Wednesday (January 21) held at TCL Chinese Theatre IMAX in Hollywood, Calif.

Fellow cast members in attendance included Edyll Ismail, Emma Raimi, Chris Pang along with director Sam Raimi and producer Zainab Azizi.

The day before, Rachel was presented with a star on the Hollywood Walk of Fame!