Jessica Simpson aims to inspire others through her dress sense.

The heavily pregnant reality TV star always considers others and how they would react when she chooses her clothes, rather than wearing then outfits for herself.

"I always wonder if what I'm wearing will be something that people would compliment, or want to wear. I don't ever get ready just for myself, ever. Every time I think I'm gonna be photographed, I wonder if somebody will see what I'm wearing, and if it'll help them put something together, maybe for school?"

The Dukes of Hazzard star has her own fashion line - which has made over $1 billion in sales - and feels it was a "natural transition" for her to go into design. She is also looking forward to imparting her knowledge as a mentor on new show Fashion Star, which starts this week in the US, and sees her appear alongside Nicole Richie and designer John Varvatos.

"I'd hate to be a judge - I don't want to crush the contestants' dreams. I'd rather help 'em reach the best of their ability that week."