While for most mere mortals moving means making do with a modest purpose-built affair, A-list ladies inhabiting the Hollywood firmament, like Julia Roberts and Barbra Streisand, can build - or buy - the luxury home their heart desires.
Newly minted earth mother Julia has been constructing her new cliff-top villa along green lines. Her $20-million plot in the laid-back beach community of Venice Beach, California, now boasts a solar-powered home built from sustainably managed forests and recycled tiles in the bathrooms.
"Motherhood is the big reason I started thinking about the environment," says the Erin Brockovich star, who recently welcomed a third child, Henry Daniel, with husband Danny Moder.
Britney Spears' family situation has also inspired a change in her living arrangements with two moves in the last 12 months. The pop princess bought a mansion after splitting with Kevin Federline, but then promptly moved after deciding she needed a safer pool for her kids.
Her resulting purchase was a relatively cosy $8 million five-bedroom, Mediterranean-style home originally built in 1992 for actor Ray Liotta.