Kailyn Lowry's former friend is speaking out against shocking rumors. Kailyn Lowry's former best friend is being accused of the unthinkable. As the Teen Mom 2 star and her husband, Javi Marroquin, prepare for divorce,Lowry’s former best friend Christina “Peach” Pietrobon, is being linked to allegations of having contributed to the couple’s decision to end their marriage after just three years.