Britney Spears has come a long way from her days on "The Mickey Mouse Club" -- and she's in really good company!
The singer celebrates her 31st birthday today and the first year of her 30's was a profitable one.
Brit came in #7 on Forbes new list of the Highest Paid Musicians of 2012 -- raking in $58 million from endorsements, fragrance line, "Femme Fatale" album and new gig on "The X Factor."
But what about her costars?
Other former Mouseketeers include Ryan Gosling, Christina Aguilera, Justin Timberlake and Keri Russell.
See how they and other "Mickey Mouse Club" stars have aged since their time on the show in the gallery above ... and find out what they're up to now.
And Happy Birthday Brit Brit!
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