Leah Messer, 27, has been extremely open with fans since starting her journey on ‘Teen Mom 2’ in 2011, but now, she can add author to her resume as she prepares to release Hope, Grace & Faith, a memoir about her life in May 2020 and she found the journey to be quite emotional. “During the writing process I told myself I get to be extremely vulnerable,” the mother to daughters Aleeah Simms, 10, Aliannah Simms, 10, and Adalynn Calvert, 6, told HollywoodLife EXCLUSIVELY.