Breaking up is hard to do, but Miley Cyrus’ 2007 breakup with Nick Jonas was “really, really hard,” her mom tells E! True Hollywood Story in a segment airing tomorrow, Us reports. BFF Mandy Jiroux also chimes in: “Miley was so open with her breakup. It was really tough for her and I just think she wanted to share with her fans how to get over a heartbreak.” Elsewhere: