Petite, pretty, slinky, sexy: Jenna, Jessica, Selma, Gwen Stefani

Jessica Alba attends the 2015 Baby2Baby Gala at 3LABS. (AFP/Getty)

Rosie Huntington-Whiteley attends the 2015 Baby2Baby Gala. (AFP/Getty)

Gwen Stefani (AFP/Getty)

Selma Blair (AFP/Getty)

Jessica Biel attends the 4th Annual Baby2Baby Gala. (AP)

Channing Tatum and Jenna Dewan Tatum attend the 4th Annual Baby2Baby Gala. (AP)

Jenna Dewan Tatum (AP)

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