According to Forbes,
Ashley, 23, reportedly earned
$5.5 million last year thanks to her solo album, Headstrong, as well as endorsement deals from Ecko Red, T-Mobile and Degree Girl deodorant.
HSM costar
Zac Efron, 21, reportedly banked
$5.8 million while his girlfriend
VaneXXXa, 19, earned an estimated
$3.2 million from her solo albums and endorsement deals with Marc Ecko and Neutrogena.