Billboard's Best Photos of 2012
Katy Perry performs at Pepsi and Billboard's Summer Beats concert in Hollywood, June 2012.

See more: The Best of 2012: The Year in Music

On Thursday (July 5), Katy Perry will hit theaters nationwide in "Katy Perry: Part of Me," a 3-D concert documentary that chronicles the pop superstar's rise to fame and whirlwind year supporting 2010 sophomore album "Teenage Dream." Perry's film offering follows similar 3-D spectaculars from Justin Bieber, Miley Cyrus, the Jonas Brothers and the cast of "Glee" -- although one critic has recently suggested that none of those pop talents, not even the Biebs, can match the musical skills of the California Gurl.

In his Wednesday review of "Katy Perry: Part of Me" for the New York Times, A.O. Scott writes, "There are several reasons that 'Katy Perry: Part of Me' is more interesting than similar movies about Justin Bieber, Miley Cyrus and the Jonas Brothers. Most simply, she just has more talent than any of them, and her songs have a wider emotional range."

Opting for Perry over Bieber is a bold claim -- but is it a fair one? Both artists have ruled Billboard's charts over the past three years: Bieber has racked up four No. 1 albums since "My World 2.0" announced his arrival in March 2010, while Perry has topped the Hot 100 with six different singles since that year. Bieber's "Never Say Never" movie showcased his transition from a YouTube phenomenon to a credible pop/R&B presence, just like "Part of Me" shows how Perry became a hit machine and put together her blockbuster California Dreams tour in 2011. Both artists are massive stars -- and now it's your turn to decide which one shines brightest.

Vote in our poll below to sound off on whether Katy Perry or Justin Bieber has more talent, and sound the alarm for other Katycats and Beliebers to cast their vote. After you take part in the poll, check out Billboard.com's own review of "Katy Perry: Part of Me," as well as our take on Bieber's latest full-length, "Believe."

Questions? Comments? Let us know: @billboard

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