Christa B. Allen took to TikTok to share a life update, claiming to have recently escaped a cult. The now-33-year-old actress did not provide details on her situation, but promised followers, ‘One Day I’ll Tell the Full Story.’ Fans know Allen best as young Jenna Rink (aka Jennifer Garner) in ’13 Going on 30.’ She later starred as Charlotte Grayson on ABC’s ‘Revenge.’