5 Things To Know This AM — Sep 20 2010

Sienna Miller showed a sweet and fun collection for Twenty8Twelve during London Fashion Week. (WWD)
Margaret Howell's newest collection has us swooning. (Fashionista)

It's a hit. Ben Affleck's
The Town
is number one at the box office this weekend. (PerezHilton)

Lindsay Lohan's latest drug test turned up positive and the troubled star may have to face more prison time. (Celebritology)
Looks like Miranda Kerr is still staying fit with yoga during her pregnancy. (Popsugar)