Jennifer Garner thanked her friend Reese Witherspoon for supporting her through a difficult and public moment in her life. Garner didn't provide further details about the experience but mentioned that dance cardio helped her get through it. The actress also praised Witherspoon for being supportive as a mother. Garner and her ex-husband, Ben Affleck, continue to co-parent their three children. Witherspoon is also a mother to three children.