Expectant mom
Nicole Richie and her longtime love
Joel Madden attend the Sony Cierge and The Richie-Madden Children's Foundation Private Cocktail Event held at multimillion-dollar lounge MyHouse in Los Angeles on Monday (March 23).
The evening's event supported The United Nations Children's Fund (
UNICEF).
The Hills star
Lauren Conrad sans actor boyfriend
Kyle Howard came out to support the cause.
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