Top 10 highest-earning stars

Catherine Zeta-Jones has topped a list of the highest-earning product endorsing celebrities, after netting $20 million to advertise UK telecommunications giant T-Mobile.

Zeta-Jones, the only Brit in the list, has beaten out competition from fellow movie beauties Nicole Kidman, in third place, and Gwyneth Paltrow, in fifth.

The top ten, compiled by advertising industry magazine AdWeek, sees Hollywood golden couple Angelina Jolie and Brad Pitt both raking in cash through promotional campaigns with luxury clothing label St. John and Heineken beer, respectively.

The Top 10 highest-earning product endorsing celebrities are:

1. Catherine Zeta-Jones, T-Mobile--$20 Million