吉澤ひとみ
On December 20, 2013, Takahashi was announced to have become engaged to her boyfriend, Koji Abe, and they married on February 14, 2014. On June 2, 2014, they held a wedding ceremony in Hawaii, attended by 30 friends and family. Takahashi and Abe held their wedding party on January 22, 2015, with Morning Musume members including Kei Yasuda, Rika Ishikawa, Hitomi Yoshizawa, Makoto Ogawa, Asami Konno, Miki Fujimoto, Mizuki Fukumura, Erina Ikuta, Riho Sayashi, and many others in attendance.