Delve into the fascinating world of stellar black hole binaries in this comprehensive 2-hour and 13-minute lecture by Monica Colpi at the Institut Henri Poincaré. Explore advanced concepts in astrophysics and gravitational wave astronomy, building upon the foundations laid in the first part of the series. Gain insights into the formation, evolution, and detection of these enigmatic cosmic systems, and understand their significance in shaping our understanding of the gravitational universe. Engage with cutting-edge research and theoretical models that shed light on the behavior of black hole binaries and their role in cosmic events.