Fact: Iron Man (2008) This scene, where Tony Stark spots Pepper Potts in her stunning backless blue dress, was actually a pivotal moment for Gwyneth Paltrow, as it helped solidify the Pistola Sadee Open Back Dress Magenta Stripe P00070110 CP MAGST Magenta Stripe XL Pepper Potts (Blue Dress) Shannon Rona Gwyneth Paltrow when asked if she will return as Pepper Potts in 'AVENGERS: DOOMSDAY' Uhh we'll see? (via @entertainmenttonight) Pepper Potts Dress