Christa B. Allen - wikipedia Christa B. Allen Not to be confused with Krista Allen. Christa B. Allen ( 1991 - 11 - 11 ) November 11, 1991 ( age 26 ) Wildomar, California, U.S. Occupation Actress Years active 2004 -- present Christa B. Allen ( born November 11, 1991 ) is an American actress. She is known for playing the younger version of Jennifer Garner 's characters in 13 Going on 30 ( 2004 ) and Ghosts of Girlfriends Past ( 2009 ), as well as for her role as socialite Charlotte Grayson on the ABC drama series Revenge. Contents 1 Early life 2 Career 3 Filmography 4 References 5 External links Early Life Allen was born in Wildomar, California. She is the youngest of nine siblings, with four elder brothers as well as four elder stepbrothers. She once spent a summer in a circus. Career Allen made a brief appearance on The Man Show, and acted in several students films and commercials. She acted in her first Hollywood film in 2004 's 13 Going on 30, playing the younger Jenna Rink, Jennifer Garner 's character. She also played the teenage Jenny, another Jennifer Garner character, in Ghosts of Girlfriends Past. Her other film credits include A Merry Little Christmas, Youth in Revolt, One Wish, One Kine Day and Detention of the Dead. Allen has guest starred in many television series, including Medium, Cory in the House, The Suite Life on Deck, Grey 's Anatomy, ER, CSI : Crime Scene Investigation, Wizards of Waverly Place and Cold Case. Allen starred as the title character in the CBS Saturday morning comedy series Cake in 2006. From 2011 -- 14, she co-starred as Charlotte Grayson in the ABC drama series Revenge. In 2015, she had a recurring role as Robyn on the ABC Family sitcom Baby Daddy. Filmography Film roles Year Title Role Notes 13 Going on 30 Young Jenna Rink Chocolate Girls Barbara Short film Seen N / A Short film 2006 Merry Little Christmas, AA Merry Little Christmas Holly 2009 Ghosts of Girlfriends Past Teenage Jenny 2009 Jonas Brothers : The 3D Concert Experience Featured Fan 2009 Youth in Revolt Teenage Girl One Wish Molly Wylie 2011 One Kine Day Alea 2012 Detention of the Dead Janet 2014 They Grow Up Angelica Short film 2014 Darknet Delivered : A Silk Road Story Marie Short film 2017 The Valley Alicia 2017 One of Us Melanie / Mary Television roles Year Title Role Notes 2006 Medium Maura Walker Episode : `` Blood Relation '' 2006 Cake Cake Lead role, 13 episodes 2007 Cory in the House Cheyenne Episode : `` The Kung Fu Kats Kid '' 2008 Suite Life on Deck, The The Suite Life on Deck Violet Berg Episode : `` The Kidney of the Sea '' 2008 Grey 's Anatomy Holly Anderson Episode : `` All by Myself '' 2009 ER Jody Nugent Episode : `` Love Is a Battlefield '' 2009 CSI : Crime Scene Investigation Matty Moore Episode : `` Miscarriage of Justice '' 2009 Chasing a Dream Nikol Schrunk Television film 2009 Wizards of Waverly Place Daphne Episode : `` Family Game Night '' Cold Case Annabelle Bennet Episode : `` Free Love '' 2011 Deadly Sibling Rivalry Fiona Television film 2011 -- 15 Revenge Charlotte Grayson / Clarke Main role ( seasons 1 -- 4 ) ; 70 episodes 2015 Baby Daddy Robyn Recurring role, 4 episodes 2016 Hopeless, Romantic Liz Television film References Jump up ^ Oliver, David ( November 8, 2011 ). `` ' Revenge ' is Sweet with Christa B. Allen ''. College Magazine.com. Retrieved July 30, 2014. Jump up ^ Anthony, Stacie ( October 3, 2012 ). `` Star Christa B. Allen talks turning 21 and Jen Garner 's great advice ''. Wonderwall. Retrieved July 30, 2014. Jump up ^ `` Interview : Christa B. Allen Talks REVENGE the TV addict ''. 2012. Retrieved February 28, 2012. Jump up ^ Charlotte Grayson Played by Christa B. Allen Archived February 7, 2012, at the Wayback Machine. Jump up ^ Bibel, Sara ( November 3, 2014 ). `` Christa B. Allen to Guest Star in Season Four of ABC Family 's Hit Comedy ' Baby Daddy ' ''. TV by the Numbers. Retrieved November 3, 2014. External links Christa B. Allen on IMDb Retrieved from `` https://en.wikipedia.org/w/index.php?title=Christa_B._Allen&oldid=809807662 '' Categories : 1991 births Living people 21st - century American actresses Actresses from California American child actresses American film actresses American television actresses People from Wildomar, California Hidden categories : Webarchive template wayback links Articles with hCards Talk Contents About Wikipedia Asturianu Български Deutsch Eesti Español فارسی Français 한국어 Bahasa Indonesia Italiano Nederlands Polski Português Русский Suomi Svenska Edit links This page was last edited on 11 November 2017, at 15 : 24. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: who plays young jenna in 13 going on 30
Answer: Christa B. Allen