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Gwyneth Paltrow has revealed that she felt 'sexually charged', while doing her scenes with her Iron Man co-star Robert Downey Jr.

The 35-year-old actress had recently spiced up her looks with killer heels and low-cut tops, and she revealed that she enjoyed the on-screen chemistry that went on with Downey Jr. "Robert kept me on my toes and kept our onscreen relationship sexually charged," The Sun quoted her as saying.

“Sometimes I have had to work with people I have had zero chemistry with and it's like pulling teeth. Because sometimes it's just not there and when it is there, it's like flying. It feels like you can do anything, and when it's not there it's a struggle. I've had that quite a few times," she added.

Paltrow has secured a number of quirky indie films like Running With Scissors, and has said that she jumped at the chance to star in a blockbuster, though she would like to do something more. She has nothing but praises for her husband Chris Martin who has been working very hard on his band Coldplay's new album.

Paltrow has been supporting Martin throughout the time he has been writing and recording the group's fourth album Viva La Vida Or Death And All His Friends, which will be released later this year (08).

According to her, her husband has a very low opinion of the band's last LP, 2005's X+Y and he even deemed it "s**t". And this has impelled him to make the new album much better, an effort, which Paltrow says she has never witnessed in anybody before.

"I've been around a lot of very talented people and a lot of people who really work hard and I've never seen anything like it. Nowhere near. I've never seen anyone put every atom and molecule of themselves into something," Contactmusic quoted her as saying. vTo some people, you would say, 'Wow that was a great film,' or 'That was a great book how are you going to raise the bar?' But if you regard your last work as s**t, where do you go from there?" she added.