At Mark Ruffalo’s Walk of Fame ceremony, Jennifer Garner honored her longtime friend with a heartfelt, hilarious speech before the two delighted fans by slipping right back into their iconic 13 Going on 30 “Thriller” choreography—complete with Mark’s familiar hesitation and Jen’s playful insistence. As they posed beside his brand-new star and broke into those unforgettable moves, the moment perfectly bridged their rom-com past with Ruffalo’s celebrated career today… let’s watch the video to see their nostalgic reunion on full display.