42 years old (Born on January 20, 1983)
Happy Birthday to the ever-energetic Mari Yaguchi! From your iconic days in Morning Musume, bringing laughter and bubbly personality with every performance, you've always managed to steal hearts and make us smile. Your boundless energy and amusing anecdotes never fail to entertain—we still remember how you revolutionized idol charm by mastering unexpected jokes on TV shows.Here's wishing another year packed full of joyful adventures, hilarious commentary, and continuous success. Whether hosting popular variety programs or inspiring new idols with your timeless charisma, you've proved that great things truly come in small packages! Stay fabulous forever—happy birthday Mari-san!