The XX Files: 12 Tight-Knit Celebrity Sisters

Mel B’s sister Danielle Brown has revealed the discord between herself and the popular Spice Girl. The younger sis, 30, told OK! Magazine that she hasn’t spoken to the singer since she offered up her opinion of Mel’s husband Stephen Belafonte.

But not all sisterly feuds last for long.

Although the Browns’ falling out has lasted for over two years, there are sister starlets who keep it tight through thick and thin. From acting duo Tia and Tamera Mowry to top athletes Venus and Serena Williams, fans have witnessed dynamic biological sisterhood in the celeb world. Check out the photo gallery to below for more sisterly shots!