The Transformers star is off and running during a workout in L.A. Plus: Ashlee Simpson-Wentz, Brad Pitt, Britney Spears and more

HAVE MERCY

She's pretty in pink! Little Mercy James, 4, steps out in front of the Ritz Hotel in Paris with mom Madonna and siblings David Banda, 3, and Lourdes, 12, (not pictured) on Wednesday.