TOP RACK: Pop star Jessica Simpson has topped a poll naming Hollywood's best breasts.[Agencies]

Pop star Jessica Simpson has topped a magazine's poll that asked readers to name the stars with the best breasts in Hollywood.

Simpson, who is gearing up to release a country music album, topped In Touch magazine's poll naming the A-list celebrity with the best assets.

Simpson's father Joe said: "She's got double-Ds! You can't cover those suckers up."

Former Supermodel and America's Next Top Model host Tyra Banks came second, while actress Scarlet Johansson was third.

Carmen Electra was fourth and, surprisingly, Lindsay Lohan was named fifth.

In Touch magazine's Best Breasts in Hollywood poll:

1. Jessica Simpson
2. Tyra Banks
3. Scarlett Johansson
4. Carmen Electra
5. Lindsay Lohan
6. Katherine Heigl
7. Audrina Patridge
8. Jennifer Aniston
9. Megan Fox
10. Beyonce Knowles