Big bucks for the under-25 set

Mini-moguls Nicole Richie, the Olsen twins and Scarlett Johansson are among the nine best-paid celebs under the age of 25, according to Forbes. Mary-Kate and Ashley's retail empire netted them a whopping $40 million last year, Johansson raked in an estimated $16 million with her recent slew of films, and Richie managed to pull about $2 million in earnings from a sponsorship deal with Jimmy Choo and the 5th season of A Simple Life, among other ventures.

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