(click on thumbnails for larger images)
Mary-Kate Olsen having a smoke break
Lindsay Lohan leaving a Hollywood club
Ashlee Simpson in Bel Air
Liv Tyler arriving to do Conan O'Brien
Jennifer Lopez and Marc Anthony in Paris
Fergie in London
source 1, source 2, source 3, source 4, source 5
Mary-Kate Olsen having a smoke break
Lindsay Lohan leaving a Hollywood club
Ashlee Simpson in Bel Air
Liv Tyler arriving to do Conan O'Brien
Jennifer Lopez and Marc Anthony in Paris
Fergie in London