Chynna Phillips and her husband Billy Baldwin are living in separate houses in different cities. The couple – who married in 1995 and have children Jameson, 24, Vance, 22, and 19-year-old Brooke together – have adopted an unconventional approach to their relationship, taking on different homes in California but still having “date nights”, spending time with their kids together and working through their problems in joint therapy sessions, and it is “really working” for the Wilson Phillips singer. Chynna explained in a video shared to YouTube: “Billy and I are [are] sort of in this new kind of a…