The couple take son Liam, 19 months, for a spin in Santa Monica. Plus: Jessica Simpson, Kevin Jonas, Pink and more

EASY RIDERS

Start your engines! Princes William and Harry prepare for a 1,000-mile motorcycle trek across South Africa, leaving from Durban Saturday on the first of an eight-day ride to Port Elizabeth. "We might argue [or] we might have a bit of fun," Harry joked of the brothers' journey. "We'll have to see how it goes, but we're really looking forward to it."