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13 Going on 30' Star Christa B. Allen Turns 30 -- and Jennifer Garner Responds | Entertainment Tonight
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Christa B. Allen plays a younger version of Jennifer Garner in both 13 Going on 30 (2004) and Ghosts of Girlfriends Past (2009) : r/MovieDetails
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13 Going on 30': Christa B. Allen, Actress Who Played Young Version of Jennifer Garner's Character Jenna Rink, Is Officially 30, Flirty, and Thriving
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