It sure pays to be a Disney alum at the box office!

Zac Efron's first post-High School Musical release, 17 Again, took in an estimated $24.1 million in its opening weekend, according to early Variety reports.

Look back at Zac in High School Musical 3: Senior Year!

The New Line do-over comedy features Efron as high school senior Mike O'Donnell, who gives up a promising athletic career to accept the responsibility of teen parenthood when his girlfriend becomes pregnant. Twenty years later, O'Donnell (played as an adult by Matthew Perry), returns to high school to relive his glory days.

How well do you know these teen stars?

Russell Crowe's thriller State of Play opened at No. 2 this weekend, grossing an estimated $14.1 million, while Crank: High Voltage earned $6.5 million.

Rounding out the top five films were Paramount's animated Monsters vs. Aliens, Disney's Hannah Montana: The Movie -- which has brokered an impressive $56.1 million after 10 days in theaters -- and the fourth installment in the Fast and Furious film franchise.