Dwayne Johnson in Tooth FairyTOOTH FAIRY

With his cartoonishly buff physique, his unwavering sincerity and geniality, and his happy willingness to play the goofball, it's easy to see why young audiences love Dwayne Johnson, aka The Artist Formerly Known as The Rock. What's less fathomable, especially considering Johnson's continually questionable taste in material, is why I still love the guy.

Anna Maria Perez de Tagle, Cody Longo, Paul Iacono, Kay Panabaker, and Asher Brook in FameFAME

Not long into Kevin Tancharoen's remake of Fame, there's a brief sequence that completely underscores the difficulty - if not impossibility - of successfully updating Alan Parker's R-rated musical drama from 1980 for young audiences in 2009.