Most powerful celebrities: JLo in, Sheen out

(MoneyWatch) Jennifer Lopez is the nation's most powerful celebrity, according to Forbes magazine's latest ranking of fame and fortune.

A classic turn-around story, JLo embodies the latest trend in fame: You can wield stunning power in Hollywood by having a few million Twitter followers and a well-"liked" Facebook presence. JLo unseated Lady Gaga, who ranks 5th on the list this year, after Oprah Winfrey, Justin Bieber and Rihanna.

Other noteworthy changes to the list: British singer Adele lands on the list for the first time at number 24. Ashton Kutcher, who replaced Charlie Sheen on the television series Two and a Half Men, also replaces Sheen on the most-powerful celebrities list. Kutcher ranks 51st on this year's list. Sheen drops off completely.

Other newcomers are the Kardashian sisters (Kim at 7; Khloe at 73); Charlize Theron (75), Sofia Vergara (76), Zooey Deschanel (96) and Melissa McCarthy (99).

For the full list, check out Forbes Celebrity 100.

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