Rihanna has a crush on Alexander Skarsgard.

The 24-year-old singer - who has recently been romantically linked with actor Ashton Kutcher and her former boyfriend Chris Brown -was "intimidated" by some of her co-stars on new movie 'Battleship' but was particularly fascinated by the hunky actor.

She said: "I was completely intimidated by the other actors. But I had a lot of scenes with Taylor Kitsch and he helped me out a lot along the way.

"Alexander Skarsgard is so hot. I had to keep my game face. I could stare at him all day long. I was just watching him on set. He's very focused and he was really sweet."

Rihanna also admitted she can occasionally come across as "aggressive" but insists she doesn't deliberately think about her image or the impression she gives people.

She told more! magazine: "I don't set out to look tough; I just think it comes out a lot in the way I dress my body language and the videos I make. I always try and stay true to myself.

"Sometimes I let too much out of the bag, but I always act how I feel.

"Sometimes it can come across as vulnerable and at other times aggressive, but I'm just doing what I feel like. The image comes after."