In her new memoir, "Matriarch," Tina Knowles recalls the time Beyoncé had to choose between Jay-Z and another man.

Sabrina Carpenter has had her fair share of rumored love triangles that have found their way into some of her biggest songs.

TianQin Research Center for Gravitational Physics, Sun Yat-sen University, Zhuhai 519082, P. R. China School of Physics and Astronomy, Sun Yat-sen University, Zhuhai 519082, P. R. China ...