Middleton brightens up a wedding in London on Friday. Plus: Britney Spears, Mariah & Moroccan, Kourtney Kardashian, Madonna and more

MALIBU MAMA

Kourtney Kardashian doesn't let her burgeoning baby bump get in the way of enjoying a leisurely stroll with Scott Disick and 2-year-old son Mason Thursday in Malibu, Calif.