American actor Robert Downey Jr.’s aka Tony Stark in the Marvel movie Avengers greeted her onscreen wife Pepper Potts or Gwyneth Paltrow in her birthday. #Pepperony

Gwyneth Paltrow, who plays Pepper Potts in Marvel’s “Iron Man”, just turned 48, and Robert dedicated a sweet post for his onscreen wife on Instagram.

“HBD to this absolute powerhouse. You deserve all the best today…and then a little bit more,” Downy wrote.

With that, Gwenyth thanked Downy in the comments section with a sweet “I love you so so much.”

Downey and Paltrow have been each other’s onscreen love interest since the “Iron Man” movie franchise began in 2008.

Downey plays Iron Man a.k.a. Tony Stark, a famous genius inventor, and businessman who had a reputation as a playboy before admitting his feelings for his trusty assistant, Pepper Potts who would take care of his schedule and perform any task he wished. They became good friends and soon, they had begun developing romantic feelings for each other.

Both actors are happily married in real life, Downey to his wife, Susan, and Paltrwo to TV writer, director and producer Brad Falchuk.

Meanwhile, Paltrow wows her followers after she posted a nude photo of herself as she celebrates her birthday.

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