The blonde star, who's dating Justin Timberlake, beat Oscar winners Julia Roberts, Halle Berry and
Nicole Kidman to top the list put together by the 2004 Guinness Book of World Records.
Fact File
Guinness Records
Madonna - most US top 40 singles for a female artist
Sir Paul McCartney - most world records
Matthew Perry - highest paid TV guest appearance (he got £510,000 for his Ally McBeal slot!
J-Lo - most successful remix album
Some people reckon her income is actually closer to £40 million after how well the second Charlie's Angels film did.
Cameron has had a string of top movies, like Shrek, and There's Something About Mary, but her wages aren't anywhere near what male stars can earn.