Nicole Scherzinger joined a number of stars, including Anna Friel, for Oxfam's Lift Lives For Good campaign.
Sienna Miller has been keeping a low profile since she announced she was expecting a baby with her boyfriend, The Boat That Rocks hottie Tom Sturridge. But she still looks great - she's rocking that baby bump like it's a new must-have accessory!
The actress was spotted out and about in the London sunshine, looking blooming lovely!
See more famous baby bumps in our photo gallery...
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