‘I’m excited to let the baby do whatever it wants,’ the younger Knowles laughs to In Style of her niece. By Rebecca Thomas Solange Knowles Photo: Jason LaVeris/FilmMagic These days, it’s hard to thumb through a magazine without stumbling across a famous sister act. The Kardashians and the Braxtons are reigning reality TV divas. The fashionable Fannings have young Hollywood on lock. And the Williams sisters have been known to spark a rap beef when they’re not racking up grand slams. But for sheer show-stopping glam, few girl duos gleam brighter than the Knowleses. Houston natives Beyonc
